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932_Physics ProblemsTechnical Physics

932_Physics ProblemsTechnical Physics - Chapter 33 P33.29 a...

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Chapter 33 273 P33.29 (a) X L = = × 2 100 20 5 1 29 10 4 π Hz H a fa f . . Z V I X X Z R X X C C L C L C = = = = = = × = ± = rms rms V 4.00 A Hz nF or 124 nF 200 50 0 50 0 35 0 1 29 10 1 2 100 35 7 123 2 2 2 2 2 4 . . . . . b g b g b g b g π (b) V I X L L , . . . rms rms A kV = = × = 4 00 1 29 10 51 5 4 a f e j Notice that this is a very large voltage! FIG. P33.29 Section 33.6 Power in an AC Circuit P33.30 X L L = = = ω 1 000 0 050 0 50 0 s H b gb g . . X C Z R X X Z C L C = = × = = + = + = 1 1 000 50 0 10 20 0 40 0 50 0 20 0 50 0 6 1 2 2 2 2 ω s F b g e j b g a f a f . . . . . . FIG. P33.30 (a) I V Z rms rms V 50.0 = = b g 100 I X X R L C rms A 40.0 = = F H G I K J = = ° 2 00 30 0 36 9 . arctan arctan . . φ φ (b) P = = °= V I rms rms V 2.00 A W b g a f cos cos . φ 100 36 9 160 (c) P R I R = = = rms 2 A W 2 00 40 0 160 2 . . a f P33.31 ω = 1 000 rad s ,
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