( 2). 1 2 (1=15 ; 2=5 ÷ 15 ).
2
. 1.
1
I 1, m | I 2,m | I 3, m | U1, | U2, | U3, | ||||||
. | . | . | . | . | . | . | . | . | . | . | . |
1 (2=0)
( 3)
3
1, , . 2.
2
1, | 2, | I1', m | I2', m | I3', m | U1', | U2', | U3', |
2 (1=0)
( 4).
4
2, , .
3.
3
1, | 2, | I1'', m | I2'', m | I3'', m | U1'', | U2'', | U3'', |
, 2. 1 .
. : ?
.
1 ?
2 ( 5) I1 I2.
5
3 , 3 4. .
4 ( 6) ,
R1 = 2 O; R2 = 6 O; R3 = 4 O; J = 5 A; E = 20 B.
6