04 je electronics sample paper
TRANSCRIPT
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[A6]
APTITUDE
1. To mark 800th
anniversary of Magna Carta (1215), four
surviving copies of the world most important
documents of parliamentary democracy were recently
brought together as a part of celebrations in:
(1) Washington (2) Delhi
(3) London (4) Kathmandu
1. eSXuk dkVkZ 1215 dh 800oha okZ xkB dks eukus ds fy;s lalnh;
tkra= dsbfrgkl es foo ds lcls egRoiw .kZ pkj thfor ys[kks dks
,d lkFk ykuk vHkh gky es mRlo dk ,d fgLlk cukA ;g dgk
euk;k x;k
(1) okfkaxVu (2) fnYyh(3) yanu (4) dkBekUMw
2. The so called bad cholesterol in the serum is:
(1) HDL (2) VLDL
(3) LDL (4) All of these
2. rFkkdfFkr lhje es [kjkc dksysLVkWy gksrk gS
(1) HDL (2) VLDL
(3) LDL (4) ;slHkh
3. The foremost cause of blindness in India, according to
official data is:
(1) Glaucoma
(2) Diabetic Retiropathy
(3) Cataract
(4) Refractive error
3. kkldh; vkdM+ksds vuqlkj Hkkjr es va/kkiu dk loZeq[k dkj.k gS
(1) Xywdksek(2) Mk;csfVd jsVhjksisFkh(3) eksfr;kfcUn(4) viorZfud =qfV
4. Recently which ministry has launched two schemes
namelyventure capital fund for S.C. and Greenbusiness scheme:
(1) Ministry of Finance
(2) Ministry of Social Justice & Empowerment
(3) Ministry of Commerce & Industry
(4) Ministry of Minority affairs
4. gky gh es fdl ea=ky; us nks ;ks tuk,a vuwlwfpr tkfr ds fy;s
lkgfld iwth uhf/k ,oa gfjr O;kikj ;kstuk ykxw dh
(1) fok ea=ky;(2) lkekftd U;k; ,oalkfdj.k ea=ky;(3)okf.kT; ,oam|ksx ea=ky;(4)vYila[;d ekeyksa dk ea=ky;
5. One of the pioneering robots, that went missing into
space almost a decade ago, has been recently found
on the sur face of red planet. Name it:
(1) Beagle 2
(2) Mars2 PropM. Rover
(3) Mars Rover
(4) Spirit (MERA)
5. Fke iFknkZd jkscksV tks fd ,d nkd iwoZ vUrfj{k es [kks x;k Fkk]
vHkh gky gh es yky xzg ds lrg ij ik;k x;kA bldk uke crk,a
(1) Beagle 2
(2) Mars2 PropM. Rover
(3) Mars Rover
(4) Spirit (MERA)
6. Who among the following were well known for their
study on poverty in India:
(1) V.M. Dandekar (2) Neel Kanth
(3) Raghuram Rajan (4) (1) & (2) Both
6. fuEufyf[kr es lsfdls Hkkjr es xjhch ij v/;;u ds fy;s HkyhHkkfr
tkuk tkrk gS
(1)oh-,e- MkaMsdj (2)uhy daB(3)j?kqjke jktu (4) nksuksa (1),o (2)
7. Who was appoint ed the first chief executive offi cer of
National Institution for transforming India:
(1) Arvind Panagariya
(2) Bibek Debroy
(3) Ms Sindhushree Khullar
(4) Ms Saraswathi Menon
7. uhfr vk;ksx dk Fke eq[; kklfud vf/kdkjh vHkh fdls fu;q
fd;k x;k
(1)vjfoUn iuxfM+;k(2) fccsd nscjkW;(3) lqJh flU/kqJh [kqYyj(4) lqJh ljLoFkh esuu
8. Panchsheel agreement was signed between:
(1) India & Bangladesh
(2) India & China
(3) India & Pakistan
(4) India & America
8. iapkhy vuqcU/k ij gLrk{kj fdu nskks ds e/; gqvk
(1) Hkkjr vkSj ckaXyknsk(2)Hkkjr vkSj phu(3)Hkkjr vkSj ikfdLrku(4)Hkkjr vkSj vesfjdk
9. International Monetary Fund is headquartered at:
(1) Washington (2) New York
(3) Geneva (4) Paris
9. vUrZjkVh; eqk dksk dk eq[;ky; dgk gS
(1) okfkaxVu (2) U;w;kdZ(3) tsusok (4) isfjl
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[A7]
10. Contour lines on a map join places of:
(1) Equal mean atmospheric pressure
(2) Equal average temperature
(3) Equal rainfall
(4) Equal height above sea level
10. ekufp= ij leksPp js[kk,a fdu LFkkuks dks tksM+rh gS
(1) leku ek/; okrkoj.kh; ncko(2) leku vkSlr rkie(3)leku okkZ(4) leq Lrj dsij leku pkbZ
11. A writ, which is in the nature of command issued by
the court asking a public authority to perform a publicduty which it is bound to perform or to refrain from
performing a particular act which it should not
perform, is called:
(1) Certiorari (2) Habeas corpus
(3) Mandamus (4) Quo warranto
11. U;k;ky; }kjk fuxZfer ,d leknsk tks ,d daekM dh rjg fdlh
lkoZtfud kf/kdkjh dks lkoZtfud dk;Zdjus tks oks djus dks ck/; gS
rFkk fdlh dk;Zdks ugha djus dks tks mls ugha djuk pkfg,] dgk
tkrk gS
(1) lfVZ;ksjkjh (2) gSfc;l dkiZl(3) eUMel (4)Doks okjUVks
12. The capillary action phenomenon of water climbing up
a narrow tube dipped in w ater is due to:
(1) Surface friction
(2) Surface tension
(3) Atmospheric pressure
(4) Differential temperature
12. ty es Mwch ,d ldjh uyh es ikuh ds ij p
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[A8]
18. The average age of 10 students is 15 years. When 5
new students joined, the average age rose by one
year. The average age in years of the new students is:
(1) 18 (2) 16
(3) 15 (4) 17
18. 10fo|kfFkZ;ks dh vkSlr vk;q 15okZ gSA tc 5u, fo|kFkhZ kkfey
fd, tkrs gS rks vkSlr vk;q 1okZ ls c
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[A9]
26. Three wheels make 60, 36 and 24 revolutions per
minute. Each has a red spot on its rim, which is at the
lowest position at time zero. The red spot will all be at
this position again after:
(1) 2 seconds (2) 5 seconds
(3) 4 seconds (4) None of these
26. rhu ifg;s 60, 36,oa 24pj frfeuV yxkrs gSA R;sd ds fje
ij ,d yky nkx gSA tks fd kw U; dky ij fuEure fLFkfr ij gSA
yky nkx iqu mlh fLFkfr ij gksxk fdrus le; ipkr
(1) 2lsds.M (2) 5lsds.M(3) 4lsds.M (4) buesa ls dksbZugha
27. If 2 logx(x2) = log
x4, then the value of x is:
(1) 1 (2) 3
(3) 4 (4) 2
27.
;fn
2 logx(x2) = log x4,
rks
X
dk eku D;k gS(1) 1 (2) 3
(3) 4 (4) 2
28. Which of the following in the largest number?
(1) 31/3
(2) 51/5
(3) 21/2
(4) 71/7
28. fuEufyf[kr es ls dkSu&lh lokZf/kd cM+h la[;k gS\
(1) 31/3
(2) 51/5
(3) 21/2
(4) 71/7
29. In a throw of two dice, the probability of getting a sum
of 9 or 11 is:
(1) 2/9 (2) 7/9
(3) 5/9 (4) None of these
29. nks iklks dh ,d Qsd es vadks dk ;ksx 9 vFkok 11 vkus dh
kf;drk gksxh
(1) 2/9 (2) 7/9
(3) 5/9 (4) buesa ls dksbZugha
30. The triangle joining the points (2, 7), (4, 1), (2, 6) is:
(1) Equilteral
(2) Right angled
(3) Isosceles
(4) None of these
30. fcUnqvks (2, 7), (4, 1), (2, 6) dks feykus ls cuk gqvk f=Hkqt
gksxk
(1) leckgq(2) ledks.k(3) lef}ckgq(4) buesa ls dksbZugha
DIRECTIONS: For answering question, study diagram which is
represented as follows and select the appropriate choice.
ABDE represents Artists
FGHI represents Scientists
JKLM represents Administrators
OPQN represents healthy people
31. Scientists who are also artists but in not good state of
health belong to the area:
(1) 4 (2) 5
(3) 9 (4) 10
funsZk% fuEufyf[kr uadsmkj nsusdsfy, js[kkfp= dk v/;;u djusdsipkr mfpr fodYi dk pquko djsaA
ABDEiznfkZr djrk gSdykdkjksadksFGHInfkZr djrk gSoSKkfudksadksJKLMnfkZr djrk gSkkldksa dksOPQNnfkZr djrk gSLoLFk O;f dks
31. oSKkfud tks dykdkj Hkh gS ysfdu LoLFk ugha gS] fdl {ks= ls
lEcfU/kr gS
(1) 4 (2) 5
(3) 9 (4) 10
DIRECTION: Select the suitable alternative to satisfy the
relationship in the following question.
32. Buffalo : Leather : : Sheep:
(1) Wool (2) Cotton
(3) Fur (4) Silk
funsZk% fuEufyf[kr u lsmudslEcU/kksadkslUrqV djusokys lgh fodYidks pqfu,A
32. HkSl peM+k HksM+
(1) u (2) dikl(3) Qj (4) jske
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[A10]
DIRECTION: Select the choice out of the given choices which
gives the given words in the correct alphabetical order.
33. Nasal, New, Nine, Noble:
(1) Noble, New, Nasal, Nine
(2) Nine, Noble, New, Nasal
(3) Nasal, New, Nine, Noble
(4) New, Nasal, Nine, Noble
funsZk% fuEufyf[kr fn;sgq, kCnksadksfn;sx;sfodYiksa esa lsvaxzsth o.kZekykdsvuqlkj lgh e esavkusokysfodYi dk pquko djsaA
33. Nasal, New, Nine, Noble
(1) Noble, New, Nasal, Nine
(2) Nine, Noble, New, Nasal
(3) Nasal, New, Nine, Noble
(4) New, Nasal, Nine, Noble
34. Five students participated in an examination and each
scored different marks. Naina scored higher than
Meena. Kamla scored lower than praveen but higher
than Naina. Anujs score was between Meena and
Naina. Which of the following pairs represents the
highest and the l owest scores respectively?
(1) Praveen, Naina (2) Naina, Praveen
(3) Praveen, Anuj (4) Praveen, Meena
34. ikp fo|kfFkZ;ks us ,d ijh{kk es Hkkx fy;k vkSj R;sd us fHk vad
vftZr fd;kA uSuk us ehuk ls T;knk vad vftZr fd;kA deyk us
ohu ls de ijUrquSuk ls T;knk vad vftZr fd;kA vuqt dk vad
ehuk vkSj uSuk ds chp es FkkA fuEufyf[kr es ls dkSu&lk tksM+k
ek mPpre ,oa fuEure vad nkkZrk gS
(1)ohu] uSuk (2) uSuk] ohu(3)ohu] vuqt (4)ohu] ehuk
INSTRUCTIONS: In this question a piece of paper is folded and then cut as shown below. The dotted lines shown are the portion which
have been folded. The curve arrow shows the directions of folding. And the number of scissors beneath the figure show the number of
portions cut. From the given responses, indicate how it will appear when opened. The opening is in the same order as folding.
funsZk% fuEufyf[kr u esadkxt dsVqdM+sdkseksM+dj dkVk x;k gS] tSlk fd uhps nkkZ;k x;k gSA fcUnq js[kk,aeksM+sgq, Hkkx dksnfkZr djrh gSaA okRedrhj eqM+s Hkkx dh fnkk dksnkkZrk gSA fp= ds uhpsnh xbZ dSafp;k dVs gq, Hkkx dh la[;kvksdks nkkZrh gSaA mkj fodYiksaesals;s crk,afd bl f;k dsvuqlkj bls[kksyusij ;g dSlk fn[ksxkA eksM+usdsekuqlkj gh [kksyus dk e gksxkA
35. Question figure u vkfr Answer figure mkj vkfr
35. (1) (2) (3) (4)
DIRECTIONS: At a public meeting there were 8 speakers A, B,
C, D, E, F, G and H. Each spoke for some time according to the
following scheme
I. A spoke after F and took more time than B
II. C spoke before G and after B and took less time
than E.
III. D spoke after H and before B and took less time
than H, but more time than E.
IV. H spoke after A and took less time than B
36. Who spoke for the longest time?
(1) A (2) B
(3) C (4) D
funsZk% ,d lkoZtfud lHkk esa A, B, C, D, E, F, G,,oaH8ok FksAfuEufyf[kr ;kstuk ds vuqlkj R;sd usdqN le; cksyk&
I. A* ^F* ds ckn cksyk vkSj ^B* ls T;knk le; fy;kII. ^C* ^G* ls igys cksyk ysfdu ^B* ds ckn vkSj ^E* lsde
le; fy;kIII. ^D* ^H* dsckn cksyk vkSj ^B* lsigys,oa^H* lsde le;
fy;k ysfdu ^E* lsT;knkIV. ^H* A* ds ckn cksyk vkSj ^B* ls de le; fy;k
36. dkSu lcls T;knk le; cksyk
(1) A (2) B
(3) C (4) D
DIRECTION: Some words have been coded but no specific
code is indicated. Use your judgement to pick the coded word
which represents the given word the best.
37. RECOMMEND:
(1) 1 5 4 5 9 5 2 4 7
(2) 1 5 6 7 2 2 5 4 3
(3) 2 2 7 9 1 9 2 8 1
(4) 5 6 6 6 7 1 2 8 1
funsZk% dqN kCnksa dks dwV Hkkkk esa fy[kk x;k gS ysfdu mlds fy;s dksbZfufpr dwV fufnZV ugh gSA vki vius fu.kZ; {kerk dk ;ksx djrs gq,dwV esa fy[ks gq, la[;k dks crk, tks u esa fn;s gq, kCn dks lokZf/kdvPNh rjg lsiznfkZr djrk gS%
37. RECOMMEND
(1) 1 5 4 5 9 5 2 4 7
(2) 1 5 6 7 2 2 5 4 3
(3) 2 2 7 9 1 9 2 8 1
(4) 5 6 6 6 7 1 2 8 1
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[A11]
38. If BAT = 69 and BOOK = 172, then PEN = ?
(1) 66 (2) 105
(3) 144 (4) 183
38. ;fn BAT = 69vkSj BOOK = 172,rks PEN =\
(1) 66 (2) 105
(3) 144 (4) 183
39. In a certain code language bring the white board is
written as ka na di pa and White and black board is
written as na di sa ra. How is the written in that
code?
(1) ka (2) pa
(3) ka or pa (4) ra
39. fdlh fufpr dksM Hkkkk es ^bring the white board* dks^ ka na
di pa* ,oa ^white and black board* dks^ na di sa ra* fy[kk
tkrk gS rks^ the* dksml dks M es dSls fy[kk tk;sxk\
(1) ka (2) pa(3) ka or pa (4) ra
40. If M+N means M is brother of N, M/N means M is father
of N and MN means M is sister of N. Which of the
following means A is uncle of B?
(1) A / C x B
(2) C x B / A
(3) A + D / E / B
(4) A + G / H x B
40. vxj M+Nek;us MHkkbZ gS Ndk] M/Nek;us Mfirk gS Ndk
rFkk MxNek;us Mcgu gS NdkA fuEufyf[kr es ls fdldk ek;us
Bdk pkpk AgS \
(1) A / C x B
(2) C x B / A
(3) A + D / E / B
(4) A + G / H x B
41. JE, LH, OL, SQ, ____
(1) WV(2) WX
(3) VW
(4) XW
41. JE, LH, OL, SQ,-----
(1) WV(2) WX
(3) VW
(4) XW
42. B, the son of A was wedded to C where as D was
married to E. If E is the brother of B, how is D
related to A?
(1) Daughter-in-law
(2) Daughter
(3) Sister
(4) Cousin
42. ^B*] ^A* dk iq= gS ftldk ^C* ls fookg gqvk gS tcfd ^D* dk
fookg ^E* ls gqvk FkkA ;fn ^E* ^B* dk HkkbZ gSrks ^ D* dk ^A* ls
D;k laca/k gS\
(1) cgw(2) iq=h(3) cgu(4)ppsjh cgu@HkkbZ
43. Sonu starts from his home towards the South. Afterwalking for 60 m, he turns right and goes for 40 m. He
turns right again and walks for 80 m before turning
left. He then walks for 30 m and reaches his school.
How far is his school from his home and in which
direction?
(1) 1043 m, North East
(2) 1013 m, North West
(3) 1053 m, North West
(4) None of these
43.lksuw vius ?kj ls nf{k.k dh vksj pyuk kjEHk djrk gSA
60 eh-
pyusds ckn og nk, eqM+dj 40eh- pyrk gSA og iqu nk, eqM+rk
gS ,oack, eqM+us ls igys 80eh- pyrk gSA fQj og 30eh- pydj
vius fo|ky; igqprk gSA mldk fo|ky; mlds ?kj ls fdruh nwjh
ij ,oa fdl fnkk es gS\
(1) 1043eh-] mkj&iwoZ(2) 1013eh-] mkj&ifpe(3) 1053eh-] mkj&ifpe(4) buesa ls dksbZugha
DIRECTIONS: In the following number series only one number
is wrong. Find out the wrong number.
44. 4, 9, 21, 49, 101
(1) 21
(2) 49
(3) 101
(4) None of these
funsZk% fuEufyf[kr la[;k Ja`[kyk esa ,d la[;k xyr gSA xyr la[;k dksKkr djsaA
44. 4, 9, 21, 49, 101
(1) 21
(2) 49(3) 101(4) buesa ls dksbZugha
45. Pick the odd one out.
(1) Copper (2) Tin
(3) Zinc (4) Brass
45. fuEufyf[kr es ls vlaxr dks pqfu,
(1) rkck (2) Vhu(3) tLrk (4) ihry
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[A12]
TECHNICAL APTITUDE
46. Which one of the following statements is correct?
Digital modulation techniques are used in satellite
communication systems since:
(1) They are easier to handle
(2) Large bandwidth utilization is possible
(3) They have a higher spectral efficiency
(4) They are less prone to interference
46. fuEu es lsdkSu&lk dFku lgh gS\
mixzg lapkj iz.kkfy;ks es vadh; ekMqyu rduhdks dk iz;ksx fd;k
tkrk gS D;ksfd
(1) mUgsalaHkkyuk vklku gksrk gS(2) fokky cSaM pkSM+kbZ dk iz;ksx laHko gksrk gS(3) muesa mPprj LisDVeh izHkkfork gksrh gS(4) muesa O;frdj.k dh laHkkouk de gksrh gS
47. How many bits are required to encode 32 level PCM:
(1) 6 (2) 5 (3) 4 (4) 3
47. 32Lrjh; PCMds dksMu ds fy, fdrus fcVks dh t:jr gksrh gS\
(1) 6 (2) 5 (3) 4 (4) 3
48. The noise is more dominant in which of the following:
(1) PAM (2) PWM (3) PPM (4) FSK
48. fuEu es ls fdles jo vf/kd izcy gksrk gS\
(1) PAM (2) PWM (3) PPM (4) FSK
49. The phase velocity of wave propagating in a hollow
metal wave guide is:
(1) Greater than the velocity of the light in free space
(2) Less than the velocity of the light in free space
(3) Equal to the velocity of the light in free space
(4) Equal to the group velocity
49. [kks[kys /kkrq rjax iFkd es lapfjr rjax dk dyk osx gksrk gS
(1) eqDr varfj{k esaizdkk ds osx ls vf/kd(2) eqDr varfj{k esaizdkk ds osx ls de(3) eqDr varfj{k esaizdkk dsosx dscjkcj(4)lewg osx dscjkcj
50. The magnitude of the open-circuit and short circuit input
impedance of a transmission line are 100 ohm and 25 ohm
respectively. The characteristic impedance of line is:
(1) 25 ohm (2) 50 ohm
(3) 75 ohm (4) 100 ohm
50. ,d lapj.k ykbu ds eqDr&ifjiFk vkSj y?kq ifjiFk fuosk izfrck/kk dk
ifjek.k ek 100 ohmrFkk 25 ohmgSA ykbu dh vfHky{kf.kd
izfrck/kk gS
(1) 25 ohm (2) 50 ohm(3) 75 ohm (4) 100 ohm
51. The line of sight communication requires transmit and
receive antenna to face each other. If the transmit
antenna is vertically polarized, for the best reception
the receive antenna should be:
(1) Horizontally polarized
(2) Vertically polarized(3) At 45with respect to the horizontal polarization
(4) At 45with respect to the vertical polarization
51. nkZ lapkj dh ykbu dsfy, lapj.k vkSj izkid ,sVhuk ,d&nwljs ds
vkeus&lkeus gksus t:jh gSA ;fn lapj.k ,sVhuk /okZ/kj :i ls
/kzohd`r gkstkrk gS rks loksRre vfHkxzg.k ds fy, izkid ,sVhuk gksuk
pkfg,
(1) {kSfrt :i ls/kqzohd`r(2) /okZ/kj :i ls/kqzohd`r(3) {kSfrt /kqzohdj.k ds izfr 45ij(4) /okZ/kj /kqzohdj.k ds izfr 45ij
52. A network contains linear resistance and ideal voltage
source. If the value of all the resistors are doubled,
then the voltage across each resistor is:
(1) Halved
(2) Doubled
(3) Increased by four times
(4) Not changed
52. ,d usVodZes jSf[kd izfrjks/k vkSj vknkZ oksYVrk lzksr gSA ;fn lHkh
izfrjks/kdks dk eku nqxquk dj fn;k tk, rks izR;sd izfrjks/kd ds
vkjikj oksYVrk
(1)vk/kh gkstkrh gS(2) nqxquh gkstkrh gS(3)pkj xquk c
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[A13]
55. A series RLC circu it has a resonant frequency of 1 KHz
and a qualit y factor Q = 100. If each of the R,L and C is
doubled from it s original value, the new Q of the circuit
is:
(1) 25 (2) 50
(3) 100 (4) 200
55. ,d Js.kh RLC ifjiFk dh vuquknh vko`fRr 1 KHz vkSj xq.krk
dkjd Q = 100gSA ;fn R, L rFkk Ces ls izR;sd dks mlds ewy
eku ls nqxquk dj fn;k tkrk gSrks ifjiFk dk u;k QgS
(1) 25 (2) 50(3) 100 (4) 200
56. The inpu t to a coherent detector is DSB-SC signal plus
noise. The noise at the detector output is:
(1) The in-phase component
(2) The quadrature-component
(3) Zero
(4) The envelope
56.
lalDr lalwpd dk bUiqV gS
DSB-SC
la dsr tek joA lalwpd fuxZeij jo gS
(1) var%dyk ?kVd(2) DokMjspj&?kVd(3) kwU;(4) vUokyksi
57. Gunn diode is a:
(1) Negative resistance device
(2) Positive resistance device
(3) High noise device
(4) Low frequency device
57. xu Mk;ksM gksrk gS ,d
(1)_.kkRed izfrjks/k midj.k(2) /kukRed izfrjks/k midj.k(3) mPp jo midj.k(4) U;wu vko`fRr midj.k
58. The intrinsic carrier concentration of silicon sample at300 K is 2.510
16/m
3. If after doping, the number of
majority carriers is 51020
/m3, the minority carrier
density is:
(1) 1.251012
/m3
(2) 0.1251012
/m3
(3) 2.51020
/m3
(4) 0.5104/m
3
58. 300
K ij flyhdkWu iznkZ dk vkH;arj okgd ladsUnz.k2.510
16/m
3 gSA ;fn eknu ds ckn cgqla[;d okgdks dh la[;k
51020
/m3gS rks vYila[;d okgd ?kuRo gS
(1) 1.251012/m3 (2) 0.1251012/m3(3) 2.51020/m3 (4) 0.5104/m3
59. The unit of H is:
(1) Ampere (2) Ampere/meter
(3) Ampere/meter2
(4) Ampere-meter
59. Hdh bdkbZ gS
(1) ,sEih;j (2) ,sEih;j@ehVj(3) ,sEih;j@ehVj2 (4) ,sEih;j&ehVj
60. A PIN diode is:
(1) A metal semiconductor point-contact diode
(2) A microwave mixer diode(3) Often used as a microwave detector
(4) Suitable for use as a microwave switch
60. PINMk;ksM gksrk gS
(1),d /kkrqv)Zpkyd fcanq&laidZ Mk;ksM(2) ,d lw{erjax ;kstd Mk;ksM(3) vDlj ,d lw{erjax lalwpd ds:i esa iz;qDr(4),d lw{erjax ds:i esaiz;ksx dsfy, mi;qDr
61. 11001, 1001 and 111001 correspond to the 2s
complement representation of which one of the
following sets of number?
(1) 25, 9 and 57 respectively
(2) 6, 6 and 6 respectively
(3) 7, 7 and 7 respectively
(4) 25, 9 and 57 respectively
61. 11001, 1001 rFkk 111001 la[;kvks ds fuEu es ls dkSu&ls lsV ds
2s iwjd fu:i.k ds vuq:i gS\
(1) ek% 25, 9rFkk 57(2) ek% 6, 6rFkk 6(3) ek% 7, 7rFkk 7(4) ek% 25, 9rFkk 57
62. To couple a coaxial line to a parallel wire line, it is best
to use a:(1) A slotted line
(2) Balun
(3) Directional coupler
(4) Quarter wave line transformer
62. ,d lek{k ykbu dks,d lekukarj rkj ykbu ds lkFk ;q fXer djus
dsfy, fuEu dk iz;ksx djuk loksRre gS
(1) [kkapsnkj ykbu(2) cSywu(3) funskkRed ;qXed(4) DokVZj rjax ykbu VkalQkeZj
63. Which of the following is used extensively where
lowest power consumption is necessary?
(1) CMOS (2) NMOS
(3) PMOS (4) Any of the above
63. tgka U;wure tkZ [kir t:jh gksrh gS] fuEu es ls fdldk O;kid
:i ls iz;ksx fd;k tkrk gS\
(1) CMOS (2) NMOS(3) PMOS (4) buesa ls dksbZ,d
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64. Reflex klystron is a:
(1) Low power generator
(2) High power oscillator
(3) Low gain amplifier
(4) Not an oscillator
64. fjysDl fDyLVksu gksrk gS ,d
(1) de kfDr dk tsujsVj(2) mPp kfDr dk nksfy=(3) U;wu yfC/k ,sEIyhQk;j(4) ,d nksfy= ugha
65. If the radiated power of AM transmit ter is 10 KW, the
power in the carrier for modulation index of 0.6 isnearly:
(1) 8.24 KW (2) 9.26 KW
(3) 8.47 KW (4) 9.6 KW
65. ;fn AM VkalehVj dh fodfjr fo|qr 10 KWgS rks 0.6 ds ekMqyu
lwpdkad ds fy, okgd es fo|qr gS yxHkx
(1) 8.24 KW (2) 9.26 KW(3) 8.47 KW (4) 9.6 KW
66. The current through 8 ohms branch is:
8 ohm
5 ohm
10 ohm
2 ohm
10 ohm
10V
(1) 1A (2) 0.5A
(3) 1.5A (4) None of these
66. 8 ohms kk[kk ds ek/;e ls/kkjk gS
8 ohm
5 ohm
10 ohm
2 ohm
10 ohm
10V
(1) 1A (2) 0.5A(3) 1.5A (4) buesa ls dksbZugha
67. JFET in properly biased cond ition acts as a:
(1) Current controlled current source
(2) Voltage controlled voltage source
(3) Voltage controlled current source
(4) Impedance controlled current source
67.leqfpr :i ls ck;flr fLFkfr es
JFETfuEu :i es dke djrk gS
(1) /kkjk fu;af=r /kkjk lzksr(2) oksYVrk fu;af=r oksYVrk lzksr(3) oksYVRkk fu;af=r /kkjk lzksr(4) izfrck/kk fu;af=r /kkjk lzksr
68. The circuit shown in figure is best described as a:
(1) Bridge rectifier (2) Ring modulator
(3) Frequency discriminatory (4) Voltage doubler
68. uhps nkkZ;k x;k ifjiFk fuEu :i es loksRre :i ls ifjHkkfkr fd;k
tkrk gS
(1) lsrqfnVdkjh (2) lsrqekMqyd(3)vko`fRr foHksnd (4) oksYVrk f}xq.kd
69. Which amplifier will be preferred for highest gain?
(1) Darlington pair
(2) Cascade amplifier
(3) Cascode amplifier
(4) Depends on the circuitry
69. lokRre yfC/k d fy, dku&l ,EIyhQk;j dk ojh;rk nh tk,xh\
(1) MkfyZaXVu ;qXe(2) lksikuh ,sEIyhQk;j(3) dSLdksM ,sEIyhQk;j(4) ifjifFkdh ij fuHkZj djrk gS
70. The Boolean expression for the truth table shown is:
A B C f
0 0 0 0
0 0 1 0
0 1 0 0
0 1 1 1
1 0 0 0
1 0 1 0
1 1 0 1
1 1 1 0
(1) )CA)(CA(B (2) )CA)(CA(B
(3) )CA)(CA(B
(4) )CA)(CA(B
70. nkkZbZ xbZlR;eku lkj.kh ds fy, cwyh; vfHkO;fDr gS
A B C f
0 0 0 0
0 0 1 0
0 1 0 0
0 1 1 1
1 0 0 0
1 0 1 0
1 1 0 1
1 1 1 0
(1) )CA)(CA(B
(2) )CA)(CA(B
(3) )CA)(CA(B
(4) )CA)(CA(B
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71. Without any additional circuitry, an 8:1 MUX can be
used to obtain:
(1) Some but not all Boolean functions of 3 variables
(2) All function of 3 variables but none of 4 variables
(3) All functions of 3 variables and some but not all of 4
variables
(4) All functions of 4 variables
71. fdlh vfrfjDr ifjifFkdh ds fcuk] 8:1 MUX dk iz;ksx fuEu izkIr
djusds fy, fd;k tk ldrk gS
(1) 3pjksadsdqN fdarq lHkh cwyh; Qyu ugha(2) 3pjksadslHkh Qyu ysfdu 4pjksa dk dksbZugha(3) 3pjksadslHkh Qyu vkSj 4pjksadsdqN fdarq lHkh ugha(4) 4pjksadslHkh Qyu
72. The resolut ion of a potentiometer should be:
(1) Zero (2) Low
(3) High (4) Infinite
72.foHkoekih dk fo;kstu gksuk pkfg,
(1) kwU; (2) U;wu(3) mPp (4) vuar
73. Negative feedback in amplifier:
(1) Improves the SNR at input
(2) Improve SNR at output
(3) Reduces distortion
(4) Decreases bandwidth
73. ,sEIyhQk;j es _.kkRed iquHkZj.k
(1) fuosk ij SNResa lq/kkj ykrk gS(2) fuxZe ij SNResalq/kkj ykrk gS(3) fo:i.k de djrk gS(4) cSaM pkSM+kbZ?kVkrk gS
74. Spectral density expresses:
(1) Average voltage
(2) Average current(3) Average power in a waveform as a function of
frequency
(4) None of these
74. LisDVeh ?kuRo O;Dr djrk gS
(1)vkSlr oksYVrk
(2)vkSlr /kkjk(3)vko`fRr ds,d Qyu ds:i esarjax :i esa vkSlr fo|qr(4) buesa ls dksbZugha
75. Which of the following is used as a data selector?
(1) Encoder (2) Decoder
(3) Multiplexer (4) De-multiplexer
75. fuEu es ls fdldk iz;ksx MkVk ofj= ds :i es fd;k tkrk gS\
(1) dksfM= (2) fodksMd(3) cgqladsrd (4) f}&cgqladsrd
76. If a signal x(n)=x(n), then it is called ____ signal:
(1) Odd (2) Energy
(3) Power (4) Even
76. ;fn dksbZladsr x(n)=x(n)gS rks ;g ___ ladsr dgykrk gS
(1) foke (2) tkZ(3) fo|qr (4) le
77. The response of an LTI/LSI system is given by the
_______ of input and impulse response:
(1) Convolution (2) Correlation
(3) Superposition (4) None
77. LTI/LSI
iz.kkyh dh vuqf;k fuosk ds
_______
rFkk vkosx vuqf;kls izkIr gksrh gS
(1) laoyu (2) lglaca/k(3) v/;kjksi.k (4) dksbZugha
78. Companders are used in commun ication systems to:
(1) Compress bandwidth
(2) To improve frequency response
(3) To improve signal to noise ratio
(4) None of these
78. lapkj iz.kkfy;ks es daiS.Mjks dk iz;ksx fuEu ds fy, fd;k tkrk gS
(1) cSaM dh pkSM+kbZlaihfM+r djuk(2)vko`fRr vuqf;k esa lq/kkj ykuk(3) ladsr jo vuqikr esalq/kkj ykuk(4) buesa ls dksbZugha
79. ICB0in a transistor can be reduced by reducing:
(1) IB (2) VCC
(3) IE (4) Temperature
79. VkaftLVj es ICB0dks fuEu ?kVkdj de fd;k tk ldrk gS
(1) IB (2) VCC
(3) IE (4) rkieku
80. Light is confined within the core of a simple optical
fiber by:
(1) Refraction.
(2) Total internal reflection at the outer edge of the
cladding.
(3) Total internal reflection at the core cladding boundary.
(4) Reflection from the fiber's plastic coating.
80. izdkk fuEu }kjk ,d ljy izdkkh; Qkbcj dh dksj ds Hkhrj lhfer
jgrk gS
(1)viorZu }kjk(2)ifjfu/kku dsckgjh fdukjsij dqy vkarfjd ijkorZu(3) dksj ifjfu/kku lhek ij dqy vkarfjd ijkorZu(4) Qkbcj dh IykfLVd dksfVax lsfjysDku
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81. The complement of AB+BC+CD is:
(1) ACD+BC+BD (2) AC+BC+ABD
(3) AC+BC+ABD (4) AC+BC+ABD
81. AB+BC+CDdk iwjd gS
(1)ACD+BC+BD (2)AC+BC+ABD(3)AC+BC+ABD (4)AC+BC+ABD
82. The following expression when simplified will become
XY(XYZ +XYZ+XYZ)
(1) 0 (2) 1
(3) 1 (4) X
82. fuEu vfHkO;fDr XY(XYZ +XYZ+XYZ)ljyhd`r fd, tkus ij
cu tk,xh
(1) 0 (2) 1
(3)1 (4) X83. In a PCM system of telemetry, the quantization noi se
depends on:
(1) The sampling rate and quantization level
(2) The sampling rate only
(3) The number of quantization level
(4) Information provided is not sufficient
83. nwjfefr dh PCM iz.kkyh es DokaVehdj.k jo fuEu ij fuHkZj djrk
gS
(1) izfrp;u nj rFkk DokaVehdj.k Lrj(2) dsoy izfrp;u nj(3) DokaVehdj.k Lrj dh la[;k(4)miyC/k djkbZxbZtkudkjh i;kZIr ugha gS
84. In PCM system, if we increase the quantization levels
from 2 to 8, the relative bandwidth requirements w ill:
(1) Be doubled (2) Remain same
(3) Be tripled (4) Becomes eight times
84. PCM iz.kkyh es ;fn ge DokaVehdj.k Lrj 2ls c
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91. Filters with the ___ characteristic are useful when a
rapid roll-off is required because it provides a roll-off
rate greater than 20/dB/decade/pole:
(1) Butterworth (2) Chebyshev
(3) Bessel (4) Elliptical
91. ------- vfHky{k.k l ;Dr fQYVj ml le; mi;kxh gkr g tc Rofjr
jky&vkQ dh t:jr gkrh g D;kfd ;g
20/dB/decade/polel mPprj jky&vkQ nj inku djr g
(1) cV~VjoFkZ (2) kSfokso(3) csly (4) nh?kZo`Rrh;
92. Which of the following applications include a phase-
locked loop (PLL) circuit?(1) Modems (2) AM decoders
(3) Tracking filters (4) All of these
92. fuEu vuqiz;ksxks es ls fdles ,d dyk&vfHkcaf/kr ikk ih,y,y
ifjiFk kkfey gS\
(1) eksMse (2),,e fodksMd(3) vuqorZd fQYVj (4) ;slHkh
93. Rectification efficiency of a fullwave rectifier without
filter is nearly equals to:
(1) 51% (2) 61%
(3) 71% (4) 81%
93. fQYVj ds fcuk iw.kZ rjax fnVdkjh dh fnVdj.k izHkkfork yxHkx
fuEu dscjkcj gksrh gS
(1) 51% (2) 61%(3) 71% (4) 81%
94. What is the voltage resolut ion of an 8-stage ladder
network?
(1) Vref/128 (2) Vref/256
(3) Vref/512 (4) Vref/1024
94. 8&Lrjh; ySMj usVodZ dk oksYVrk fo;kstu D;k gS\
(1) Vref/128 (2) Vref/256(3) Vref/512 (4) Vref/1024
95. In which region is the operating point stable in tunnel
diodes?
(1) Negative-resistance
(2) Positive-resistance
(3) Both negative- and positive-resistance
(4) Neither negative- nor positive-resistance
95.Vuy Mk;ksMks es dkSu&ls{ks = es izpkyu fcanq fLFkj gksrk gS\
(1)_.kkRed izfrjks/k(2) /kukRed izfrjks/k(3) _.kkRed rFkk /kukRed izfrjks/k & nksuksa(4) u _.kkRed u /kukRed izfrjks/k
96. Which of the following di odes is limited to the reverse-
bias region in its region of operation?
(1) Schottky (2) Tunnel
(3) Photodiode (4) Rectifier
96. fuEu Mk;ksMks es ls dkSu&lk Mk;ksM vius iz pkyu ds {ks= es
ipfnfkd ck;l {ks= rd lhfer jgrk gS\
(1) kkVdh (2) Vuy(3) QksVksMk;ksM (4) fnVdkjh
97. Which of the following semiconductor materials is
(are) used for manufacturing solar cells?
(1) Gallium arsenide (2) Indium arsenide
(3) Cadmium sulfide (4) All of these
97.
lkSj lsyks dk fofuekZ.k djusds fy, fuEu es ls dkSu&lh v)Zpkyd
lkefxz;ks dk iz;ksx fd;k tkrk gS\
(1) xSfy;e vklsZukbM (2) bafM;e vklsZukbM(3) dSMfe;e lYQkbZ (4) ;slHkh
98. Ifs
1s)S(Y
2
, the network has:
(1) 1 H inductor and 1 F capacitor in parallel
(2) 1 H inductor and 1 F capacitor in series
(3) 1 H inductor and 1 resistor in series
(4) 1 H inductor and 1 resistor in parallel
98. ;fns
1s)S(Y
2
gS rks usVodZes gS
(1) 1 Hizsjd vkSj 1 Fla/kkfj= lekukarj esa(2) 1 Hizsjd vkSj 1 Fla/kkfj= Js.kh esa(3) 1 Hizsjd vkSj 1 izfrjks/kd Js.kh esa(4) 1 Hizsjd vkSj 1 izfrjks/kd lekukarj esa
99. When the temperature of a doped semiconductor is
increased, its conductivity
(1) Decreases
(2) Increases
(3) Does not change
(4) Increases or decreases depending on whether it is p-
type or n-type
99. tc ekfnr v)Zpkyd dk rkieku c
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101. A step voltage E is applied to a series R-L circuit. The
rate of change of current is maximum at t = _:
(1) Zero (2) Infinity
(3) L/R (4) R/L
101. ,d Js.kh R-L ifjiFk ij ,d lksiku oksYVrk Edk vuqiz ;ksx fd;k
tkrk gSA /kkjk ds ifjorZu dh nj t = _ ij vf/kdre gS
(1) kwU; (2) vuar(3) L/R (4) R/L
102. PLAs, CPLDs, and FPGAs are all which type of device?
(1) SLD (2) PLD
(3) EPROM (4) SRAM
102. PLAs, CPLDs, rFkk FPGA & lHkh fdl dkfV d midj.k g\
(1) SLD (2) PLD
(3) EPROM (4) SRAM103. Holding current fo r an SCR is best described as:
(1) The minimum current required for turn-off
(2) The current required before an SCR will turn on
(3) The amount of current required to maintain conduction
(4) The gate current required to maintain conduction
103. SCR ds fy, /kkjk /kkfjr djusdk loksRre :i ls o.kZu fuEukuqlkj
gS
(1) can djusdsfy, visf{kr U;wure /kkjk(2) SCRdkspkywfd, tkus ls iwoZ visf{kr /kkjk(3) pkyu cuk, j[kusdsfy, visf{kr /kkjk dh ek=k(4) pkyu cuk, j[kusdsfy, visf{kr }kj /kkjk
104. What type of temperature coefficient do thermistors
have?
(1) Positive (2) Negative
(3) Either positive or negative (4) None of these
104. e izfrjksf/k;ks es fdl izdkj dk rki xq.kkad gksrk gS\
(1) /kukRed (2)_.kkRed(3) /kukRed vFkok _.kkRed (4) buesa ls dksbZugha
105. In a microprocessor:
(1) One machine cycle is equal to one clock cycle
(2) One clock cycle consists of several machine cycles
(3) One machine cycle consists of several clock cycles
(4) One machine cycle is always less than one clock cycle
105.ekbksizkslslj es
(1) ,d ;a= p ,d dkyn p dslerqY; gksrk gS(2) ,d dkyn p esavusd ;a= p gksrs gSa(3) ,d ;a= p esa vusd dkyn p gksrs gSa(4) ,d ;a= p lnSo ,d dkyn p lsde gksrk gS
106. In 8085 microprocessor wit h memory mapped I/O
which of the following is true?
(1) I/O devices have 16 bit addresses
(2) I/O devices are accessed during IN and OUT
instructions
(3) There can be a maximum of 256 input and 256 output
devices(4) Logic operations can not be performed
106. Le`fr izfrfpf=r I/O ls ;qDr 8085ekbksiz kslslj es fuEu es ls dkSu
lgh gS\
(1) I/Omidj.kksaesa16fcV irsgksrs gSa(2) I/Omidj.kksa rd INrFkk OUTvuqnskksads nkSjku igqapk tk
ldrk gS(3)vf/kd lsvf/kd 256fuosk vkSj 256fuxZe midj.k gks ldrs
gSa(4) rdZ izpkyu fuikfnr ughafd, tk ldrs
107. A bl ank EPROM has:
(1) All bits set to logical 0
(2) All bits set to logical 1
(3) Half the total number of bits set to 0 and remaining
half to logical 1
(4) Either (1) or (2)
107. ,d fjDr EPROM es gksrsgS
(1) rdZlaxr 0dsizfr funsZfkr lHkh fcV(2) rdZlaxr 1dsizfr funsZfkr lHkh fcV(3) dqy fcVksa esals vk/ks 0ds izfr rFkk ksk vk/ks rdZlaxr 1ds
izfr
(4) (1)vFkok (2)
108. One application of a digi tal multip lexer is to facilitate:
(1) Code conversion
(2) Parity checking
(3) Parallel-to-serial data conversion
(4) Data generation
108. vadh; cgqladsrd dk ,d vuqiz;ksx fuEu dks lqfo/kkiw.kZ cukuk gS
(1) dksM :ikarj.k(2)lerk tkap(3) ;qxir vuqeh :ikarfj=(4)MkVk tuu
109. The coefficient of coupling between two coils is 0.45.
The first coil has an inductance of 75 mH and the
second coil has an inductance of 105 mH. What is the
mutual inductance between the coils?
(1) 3.54 mH (2) 7.88 mH
(3) 39.9 mH (4) 189.3 mH
109. nks dk;yks ds chp ;qXeu dk xq.kkad 0.45gSA igys dk;y dk izjdRo
75 mH gS vkSj nwljs dk;y dk izjdRo 105 mHgSA dk;yks ds chp
ikjLifjd izjdRo fdruk gS\
(1) 3.54 mH (2) 7.88 mH(3) 39.9 mH (4) 189.3 mH
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110. The fast carry or look-ahead carry circuits found in
most 4-bit parallel-adder circuits:
(1) Increase ripple delay
(2) Add a 1 to complemented inputs
(3) Reduce propagation delay
(4) Determine sign and magnitude
110. vf/kdkak 4&fcV lekukarj&ladyd ifjiFkks es ik, tkus okys nzr
okgu vFkok vxzkoyksdu gLrxr ifjiFk
(1) feZdk foyac c