Asked by FRANNY

An alarm clock uses 5.0 watts of electric power. If the clock is plugged into 120 volts outlet, what electric current is in the clock's circuit?

Answers

Answered by drwls
Power = P = I*V
I = P/V = 5.0/120 = 0.047 Amperes

Since it almost certainly running on AC, the current computed is the rms average value (root mean square)

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