13.10.2012 Views

boylistad

boylistad

boylistad

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

S<br />

S P P<br />

3. For the network of Fig. 7.66:<br />

a. Does I � I3 � I6? Explain.<br />

b. If I � 5 A and I1 � 2 A, find I2. c. Does I1 � I2 � I4 � I5? Explain.<br />

d. If V1 � 6 V and E � 10 V, find V2. e. If R1 � 3 �, R2 � 2 �, R3 � 4 �, and R4 � 1 �,<br />

what is RT? f. If the resistors have the values given in part (e) and<br />

E � 10 V, what is the value of I in amperes?<br />

g. Using values given in parts (e) and (f), find the power<br />

delivered by the battery E and dissipated by the resistors<br />

R1 and R2. 4. For the network of Fig. 7.67:<br />

a. Calculate RT. b. Determine I and I1. c. Find V3. 5. For the network of Fig. 7.68:<br />

a. Determine RT. b. Find Is, I1, and I2. c. Calculate Va. E<br />

I<br />

R T<br />

64 V<br />

R 1<br />

12 �<br />

R 2<br />

6 �<br />

R T<br />

R T<br />

I 1<br />

FIG. 7.67<br />

Problem 4.<br />

4 �<br />

R 3<br />

4 �<br />

4 �<br />

4 � 4 �<br />

4 �<br />

(a) (b)<br />

4 �<br />

4 �<br />

4 �<br />

+<br />

12 � V3 –<br />

R T<br />

R T<br />

FIG. 7.65<br />

Problem 2.<br />

+<br />

E<br />

–<br />

2. Determine R T for the networks of Fig. 7.65.<br />

I<br />

R T<br />

4 �<br />

4 �<br />

(c) (d)<br />

E<br />

I 1<br />

I 2<br />

4 �<br />

+ V 1 –<br />

I s<br />

R 1<br />

R 2<br />

I 3<br />

FIG. 7.66<br />

Problem 3.<br />

R1 10 � R2 15 �<br />

36 V<br />

R T<br />

4 �<br />

4 �<br />

4 �<br />

I 1<br />

FIG. 7.68<br />

Problem 5.<br />

I 4<br />

I 5<br />

PROBLEMS ⏐⏐⏐ 245<br />

+ V 2 –<br />

R 3<br />

R 4<br />

R 3<br />

R 4<br />

I 2<br />

10 �<br />

V a<br />

2 �<br />

I 6

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!