ch31-p077 - 77. (a) The impedance is Z = (80.0 V)/(1.25 A)...

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77. (a) The impedance is Z = (80.0 V)/(1.25 A) = 64.0 . (b) We can write cos φ = R/Z R = (64.0 )cos(0.650 rad) = 50.9
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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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