A clock radio is rated as 30 W of power output. If the radio also draws 30 W at 120 V, which will the current draw be? A. 0.25 A B. 4 A C. 3,600 A D. 0.5 A

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asked Mar 1, 2017 235k views

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Micnoy · Answer 1 · 2017-03-08T08:43:10+0000

Given:
power = 30 W
voltage = 120 V

Power = current * voltage
current = power / voltage

Current = 30 w / 120 v
Current = 1/4 or 0.25 A

The answer is Choice A. 0.25 A.

A clock radio is rated as 30 W of power output. If the radio also draws 30 W at 120 V, which will the current draw be? A. 0.25 A B. 4 A C. 3,600 A D. 0.5 A

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