5_Chapter 16 HomeworkCH16 Electrical Energy and Capacitance

5_Chapter 16 HomeworkCH16 Electrical Energy and Capacitance...

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Electrical Energy and Capacitance 39 Answers to Even Numbered Problems 2. (a) (b) –50 V 4 6.0 10 J −× 4. 19 3.20 10 C 6. 6 4.3 10 J × 8. (a) 5 1.52 10 m s × (b) 6 6.49 × 10. 40.2 kV 12. 2 2.2 10 V × 14. -9.08 J 16. 7 8.09 10 J × 18. 6 7.25 × 22. (a) 48.0 C µ (b) 6.00 C 24. (a) 800 V (b) 2 fi QQ = 26. 31.0 Å 28. 1.23 kV 30. (a) 18.0 F (b) 1.78 F 32. 3.00 pF and 6.00 pF 34. (a) 12.0 F (b) 4 =144 C, Q 22 4 8 =72.0 C,
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