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12 September, 00:01

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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Answers (1)
  1. 12 September, 00:19
    0
    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.
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