ee 2015 gate afternoon

GATE-2015Electrical Engineering

Answer Key

28-B/7-2nd Floor, Jia Sarai, Near IIT, New Delhi-16, E-mail: [email protected].: 011-26537570, 09810958290

Afternoon Session

7th Feb'2015

GATE-2015 7th Feb'2015 Electrical Engineering

28-B/7, 2nd Floor, Jia Sarai, Near IIT Delhi, Hauz Khas, New Delhi-110016www.iesacademy.com [email protected] Ph.9810958290, 08874043373

1

x on 1 x



2



3

HZ

X



4

0=0=

0=0=

EXs

Line1

Line 2

Infinite Bus1 0



5

j0.22

0.04

j0.22

j6.28 0.05s

gVsV

C 10uF=

C 10uF= L 1mF=

R 2.5=inZ

1: b 1: a

+



6

1

2

5V +

11

1



7

10V+

B R

0.1 F

1 k

0V

+1 kiV

X Y

P Q R S P R Q SP Q R S P Q R S



8

VR

2RVL

j6 j3 j4j3 j7 j5 puj4 j5 j8

r r



9

()()

1. D.ds Q2. f (z)dz 03. .A dv A.ds

4. A .ds A.dl

=

=

=

=



10

iV

0 iV / V 1F

1fiV

0 iV / V 2F

2f0V

1F

2FV

V+

V0V



11

ImIm

==

2G (s)

1G (s)

Im Im

=

1

Im Im



12

1 F 10%1C

2C

V

V

Q+

1 1 i j

4 4

1 1 i j

8 8 1 2 2 1 2 2

i j8 2 8 2

+



13

1V

2V

3V

j1

j1

j10te for t 1x(t)

0 for t 1

=

>

2sin( 10)10

j10 sin( 10)2e10

2sin10

j10 2sine

1V

2V

1A

1B

1C

2A

2B

2C

2A

2B

2C

1A

1B

1C

1a

0.2i 0=

1b

1a

1b

2a

2b

1c

2c

2c

1c



14

k 1 kk

k 1 kk

x x yh

y yx

h

+

+

=

=

pi

pi

pipi

V

LV+L

+

0V15V

45VLV



15

60

60

3R



16

=

1I 2N

1N 3N

2I

3I

0

0.25 F

1k

2k

2k

0V

10V+

10V

+



17

Load

sI 100 0=

sIpI



18

5 mHLi

36V+

60V +

pi

L

0J

0Q0K

0Q

1K 1Q

1J 1Q0Q 1Q

CLK



19

10

234567

1 2 3

f (A, B,C, D)

1

52

0

05

1

2



20

2

10

50.755

1

0

2

0V

1

23

4+

+

V



21

0.2i 0=

1P

2P



22

30021

ee 2015 gate afternoon

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