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A light bulb uses 1.2 A when connected across a 120 V source. What is the resistance by the bulb?
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A light bulb uses 1.2 A when connected across a 120 V source. What is the resistance by the bulb?

User Say
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1 Answer

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V=iR
R=V/i
R=120/1.2
R ≈ 100Ω
User Tomas Vinter
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