ch31-p085 - 85. (a) The energy stored in the capacitor is...

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PT I T T I m avg rms rms == F H G I K J εφ cos cos bg 1 2 where we substitute II m rms rms and // . 22 εε (d) The energy dissipated by the resistor is PT I V T I I R T T I R R avg,resistor rms rms rms = F H G I K J b g 1 2 2 . (e) Since ε mm R m m m V I I R I R cos / / , === 2 the two quantities are indeed the same. 85. (a) The energy stored in the capacitor is given by UqC E = 2 2 / . Since q is a periodic function of t with period T , so must be U E . Consequently, U E will not be changed over
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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