:




1.1. R2, R3.

,

 

=

 

, 1.2

 

.1.2

 

1.2 R2,3 R5 ,

 

R2,3,5 = R2,3 + R5 = 6+4 = 10

 

1.3

 

.1.3

 

1.2. R2,3,5 R4 ,

 

 

, 1.4

 

.1.4

 

1.3. :

 

RAB = R1 + R2,3,4,5 = 5 +5 = 10

 

.1.5

 

2.

2.1. I4, R4:

U4 = I4 * R4 = 5*10 = 50B

R2,3 +R5 ( 1.2.).

R5

2.2 R5:

 

U5 = I5 R5 = 5*4 = 20 B

R2 R3:

 

U2,3 = U4 – U5 = 50 – 20 = 30B

 

2.3 R2 R3 :

 

I2 = U2,3 / R2 = 30 / 15 = 2A I3 = U2,3 / R3 = 30 /10 = 3A

 

, R1:

 

I1 = I2 + I3 + I4 = 2 + 3 + 5 = 10A

 

2.4. R1:

 

U1 = I1* R1 = 10 * 5 = 50 B

 

3. UAB, :

 

UAB = I1 RAB = 10 * 10 = 100 B UAB = U1 + U4 = 50 + 50 = 100 B

 

 






: 2014-12-06; : 110.

Studopedia.info - - 2014-2017 . (0.007 .) |