938_Physics ProblemsTechnical Physics

938_Physics ProblemsTechnical Physics - Chapter 33 Section...

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Chapter 33 279 Section 33.9 Rectifiers and Filters *P33.50 (a) Input power = 8 W Useful output power == = IV 03 27 .. A9 V W af efficiency = = useful output total input W 8 W 034 34% . . (b) Total input power = Total output power 82 7 53 W W w a s t e d p o w e r wasted power W =+ = . . (c) Et F H G I K J F H G I K J × F H G I K J = P 83 1 86 400 129 10 8 8 W6 d s 1 d 1 J 1 Ws J $0.135 3.6 10 J 6 a f .$ 4 . *P33.51 (a) The input voltage is VI Z I RXI R C C in + = + F H G I K J 22 2 2 1 ω . The output voltage is R out = . The gain ratio is V V IR IR C R RC out in = + = + 2 2 2 2 11 ωω bg . (b) As 0, 1 C →∞ and V V out in 0 As , 1 0 C and V V R R out in →= 1 (c) 1 2 1 2 2 = + R R C R 2 2 1 4 += 2 1 3 C R = ωπ 2 1 3 f RC f RC = 1 23 π P33.52 (a) The input voltage is Z I R C C in + 2 2 1 . The output voltage is X I C C out . The gain ratio is
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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