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28 January, 00:42

A subwoofer needs a household voltage of 110V to push a current of 5.5 A through its cool. What is the resistance of the subwoofer

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  1. 28 January, 01:06
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    V = IR

    110 = 5.5 * R

    R = 110/5.5 = 1100/55 = 20 Ohms
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