Why is cos theta taken zero in deriving average value of power and why is cos(2wt+phi)taken 0 Pls explin quickly we've got xams!!!

Asked by padmini kommu | 25th Feb, 2011, 12:00: AM

Expert Answer:

Dear student,
 
The average power in an inductor or capacitor is zero. Hence,when power = 0, cos 0 = 0.
 
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Answered by  | 28th Feb, 2011, 02:01: PM

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