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100j of heat are produced each …

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100j of heat are produced each second in a 4Ωresistance. Find the potential difference across the resistor
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........ ...... 5 years, 2 months ago

Given, H=100j R=4ohm t= 1sec H=I^2Rt 100=I^2×4×1 I^2=25 I=5A Potential difference, v= IR =5×4=20v
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