A light bulb is rated at when operated at its design voltage of

PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity

Problem

A light bulb is rated at 100 W100\,\text{W} when operated at its design voltage of 120 V120\,\text{V}. If the bulb is instead connected to a 100 V100\,\text{V} supply, which of the following is closest to the power it will dissipate? (a) 83 W83\,\text{W} (b) 100 W100\,\text{W} (c) 69 W69\,\text{W} (d) 58 W58\,\text{W}

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