4_Ch 18 College Physics ProblemCH18 Direct-Current Circuits

4_Ch 18 College Physics ProblemCH18 Direct-Current Circuits...

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102 CHAPTER 18 Answers to Even Numbered Problems 2. (a) (b) 1.0 A (c) 24 481 2 2.18 , 6.0 A, 3.0 A, 2.0 A III == = 4. (a) 30 V (b) 2.3 V 6. 15 8. (a) (b) 4.53 V 5.13 10. 6.0 , 3.0 AB RR =Ω= I 12. (a) 75.0 V (b) 25.0 W, 6.25 W, 6.25 W; 37.5 W 14. 14.2 W, 28.4 W, 1.33 W, 4.00 W 16. 0.714 A, 1.29 A, 12.6 V 18. 5.4 V with a at a higher potential than b 20. 21 2.0 A (flows from toward ), 1.0 A Ib a =− = 22. 0.50 W 24. (a) (b) 0.0816 or 8.16% 4.59 26. 0.28 A (dead battery), 1. (starter) 2 7 10 A × 28. (a)
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