3_Ch 21 College Physics ProblemCH21 Alternating Current Circuits and Electromagnetic Waves

3_Ch 21 College Physics ProblemCH21 Alternating Current Circuits and Electromagnetic Waves

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Alternating Current Circuits and Electromagnetic Waves 203 Answers to Even Numbered Problems 2. (a) (b) 193 145 4. , , 1, rms 2, rms 1.25 A II == 12 96.0 RR 3,rms 3 0.833 A, 144 IR = =Ω 6. (a) 106 V (b) 60.0 Hz (c) 0 (d) 3.00 A 8. (a) 141 mA (b) 235 mA 10. 100 mA 12. 224 mA 14. 2.63 A 16. 7.03 H L > 18. (a) 194 V (b) current leads by 49.9° ± ² ±²±³´µ±¶ ± ± ³ ±²±³·¸±¶ ± ± ±²±¹µ³±¶ ± ± ´ ±²±º»¼±¶ ² ± ±½± ´ ±²±¹»¾±¶ ºº¿¹À ± 20. (a) 138 V (b) 104 V (c) 729 V (d) 641 V (e) 22. (a) 0.11 A (b) (c) , max , max 130 V, 110 V RC VV ∆= ∆= 110 V, 280 C s o u r c e C v q 0, vv µ Rs o u r c e ∆= = = = 130 V, 0, 0 C C v q = (d) 24. (a) 0.11 A (b) (c) (d) , max , max 130 V, 110 V RL 0 V, 0 L v 110 V s o u r c e v = 13 o u r c e = 0, 26. (a) 123 nF or 124 nF (b) 51.5 kV 28.
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