Question
What is the peak current through a 400–W room heater that operates on 120–V AC power?
Answers
power = i V
400 = i (120)
i = 3.33 rms
i peak = i rms * sqrt 2 = 4.71 amps peak
400 = i (120)
i = 3.33 rms
i peak = i rms * sqrt 2 = 4.71 amps peak
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