kef2 diafan phys cgymn part2
DESCRIPTION
.TRANSCRIPT
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2: 22
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, ,() .
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, ..
. .
.
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.
.
.
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.
.
.
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. .
.
( ().
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::
(l), () (),
.
llRA
=A
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.
, mm2,m.
,.
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47,1m 2 mm. 2mm.= 106m
7 8 9 60 7,8,960
6,762
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:
0 (1 ) = + 0 0C . .
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,( ).).
.
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.
' '
(). ( )
().
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..
( ()
:VI = :
, R
R
R .
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R.R.
: V R I : V R I =
,.
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: (), ( ) (),()
,() () ),.
.
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:
1 2I I I= = ;
:, .
,.
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V V1 V2 V1 V2
;1 2V V V= +
; :
( () .
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1 2I I I= =
17mA =1 26.8 5.2 12ab bc ab bcV I R V V I R V V V V V= = = = + = =
1I1
2I
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..
. .
.
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::
(V )(VAB).
(I) (I I ) (I1 I2)
I I I= +V V V= = 1 2I I I= +1 2V V V= =
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1 2I I IV V V= +1 2I I I
V V V= =
1 2V V V= =1 2V V V= +
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R=75 . R 75 .R=10,20,50,100
;; ()
R=75 .
().
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V, 'V, IR=75 .
R=75 R=75 ().
VRI
=
I
.
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( )()
1 2 : Ohm: ;
I I IV I R V I R IR I R I R
= = = = = + 1 1 2 2 1 21 2
Ohm: ; :
V I R V I R IR I R I RV V V
= = = += + 1 2 R R R = +
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( )()
I I I 1 2 : Ohm: ;
I I IV V V V V VI I
= + = = = = + +1 21 2 1 2 3
1 2
Ohm: ;
:
I IR R R R R R
V V V
+ += = 1 21 2
1 1 1 R RR
R R R R R
= + = +1 2 1 2R R R R R +
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I I I= +I I I= = 1 21 2
I I IV V V= += =
1 2
1 2
I I IV V V= == +
1 2
1 1 1R R R
= +1 2
1 2R R R = +1 2R R R
2.156 2.257
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1 2, , ,R V V I1 2 3 12R R V V= = =
1 2 3 3 6R R R R = + = + =
6 2V VI A
1 2
23
I AR
= = =1 1
2 2
2 3 62 3 6
V I R A VV I R A V= = == = =
2 2
1 2 12V V V V= + =
.
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1 2 3 12R R V V= = = 1 2, , ,R I I I
21 2 3 3 9 1 5R RR = = = =
1 2
1,53 3 6
RR R
= = = = + +
11
12 128 41,5 3
V V V VI A I AR R
= = = = = =
2 1 212 43
V VI A I I IR
= = = = +
2 3R
.
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( )()
:R1=R2=R3=3V=12VV1,V2,I1,I2,I3.1 R1. R
2 3 3 33 4 5R RR R R R = + = + = + = 1 2,3 12 3
3 4,53 3
R R R RR R
= + = + = + = + +
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( )()
2. I1 112 2,64,5
V VI AR
= = =
3. V1,V2 1 1 1 2,6 3 7,8V I R A V= = =
4. I2, I3
1 1 1
1 2 2 1 12 7,8 4, 2V V V V V V V V V= + = = =4. I2,I3
2 2 2 3 3V I R I R= = 2
24, 2 1,33
V VI AR
= = = 22
3
4,2 1 3
R
V VI A
233
1,33
I AR
= = =
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R=10 , 20 , 50 , 100 R 10,20,50,100R=75 ;
50
50 50