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OpenStudy (anonymous):
Could someone check my answer and tell me if its right? I got 50.7 V for this question The peak value of an AC passing through a 13.0 W device is 3.9 A. What is the rms voltage across it?
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OpenStudy (primeralph):
P = I*V, so V = P/I.
OpenStudy (anonymous):
omg i was thinking of V= I * R idk y
OpenStudy (anonymous):
so 3.33
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