Ch31-p074 - 74(a With a phase constant of 45 the(net reactance must equal the resistance in the circuit which means the circuit impedance becomes Z

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74. (a) With a phase constant of 45º the (net) reactance must equal the resistance in the circuit, which means the circuit impedance becomes Z = R 2 R = Z/ 2 = 707 . (b) Since f = 8000 Hz then ω d = 2 π (8000) rad/s. The net reactance (which, as observed, must equal the resistance) is therefore X L X C = ω d L – ( ω d C ) 1 = 707 . We are also told that the resonance frequency is 6000 Hz, which (by Eq. 31-4) means
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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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