Conceptual Physics

Answers to selected problems

Chapter 27 Answers

C.4 The same

Answers vary

C.6 Circuit with two light bulbs
Answers vary

C.8 Parallel

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C.12(a) R 1 is in series with the combination of R 2 and R 3
(b) R 2 is in parallel with R 3

C.14It will decrease to zero

Answers vary

0.1 (a) They are equal
(b) It is the same everywhere

2.1 1.17e6 J

3.1 3.0 V

3.3 (a) 6.6 W

(b) 3.6e4 J

3.5 2.0 ȍ

3.7 1.8e4 s

5.1 0.55 A

6.1 1.0 ȍ

6.3 4200 ȍ

6.5 3.23 ȍ

6.7 2.7 A

6.9 12.0 V

7.1 25.0 ȍ

10.1 1.67 ȍ

10.3 0.175 ȍ

10.5 77 ȍ

10.7 8.75 ȍ

10.9 34.8 V

10.11 4

10.13(a) 500 ȍ

(b) 125 ȍ

11.1 60.0 ȍ

12.1 (a) 3.75 ȍ

(b) 5.00 ȍ

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