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an alarm clock draws 0.5 a of current when connected to a 120 volt circuit. calculate its resistance.
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an alarm clock draws 0.5 a of current when connected to a 120 volt circuit. calculate its resistance.

User Shizoman
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1 Answer

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Resistance = (potential difference) / (current) = 120V / 0.5A = 240 ohms .


User Mrinal Roy
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