The instantaneous power p (in W) input to a resistor in an alternating-current circuit is p =

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The instantaneous power p (in W) input to a resistor in an alternating-current circuit is p = pm sin2 377t, m where pm is the maximum power input and t is the time (in s). Find p for pm = 0.120 W  and t = 2.00 ms. [sin2θ = (sinθ)2.]

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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