The peak value of an alternating current in a 1580 W device is 4.1 A. What...

Question

Question

The peak value of an alternating current in a 1580 W device is 4.1 A. What is the rms voltage across it?

Answer 1

Answer #1

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Answer 2

Answer #2

we know that

P = V x I

or V = (P/I)

where V is peak voltage,P = 1580 W and I = 4.1 A

the rms voltage is

V_rms = (V/(2)^1/2)

Answer 3

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