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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?
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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?

User Stew
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1 Answer

5 votes
P = IV

I = P/V = 30 / 120 = 0.25 A.

Current = 0.25A
User Graham Walters
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