16_Chapter 21 HomeworkCH21 Alternating Current Circuits and Electromagnetic Waves

# 16_Chapter 21 HomeworkCH21 Alternating Current Circuits and Electromagnetic Waves

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216 CHAPTER 21 21.32 () ( ) 3 2 2 600 Hz 6.0 10 H 23 L Xf L ππ == × = -6 11 11 2 2 600 Hz 25 10 F C X fC π = × ( ) 2 2 25 23 11 LC ZRXX =+− = Ω +Ω 22 28 = (a) rms ,rms rms 10 V 25 9.0 V 28 R V VI R R Z  = = =   ∆= rms 10 V 23 8.2 28 LL L V X X Z  ∆= = = = V rms 10 V 11 3.8 28 CC C V X X Z = = No , 9.0 V 8.2 V 3 RLC VVV ∆+ ∆=++ .8 V 21 V 10 V =≠ However, observe that if we take phases into account and add these voltages vectorially, we find 9.0 V 8.2 V RL C VV V + 3.8 V 10 V −= rms = V (b) The p is the greatest. No power losses occur in an ideal capacitor or inductor. ower delivered to the resistor (c) 2 2 2 rms rms 10 V 25 3.3 W 28 V IR R Z = =
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## This document was uploaded on 10/20/2011.

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