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A current flows in a wire of resistance 5Ω having potential difference 7 Volt, for 20 minutes.

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in Physics by (64.8k points)

A current flows in a wire of resistance 5Ω having potential difference 7 Volt, for 20 minutes. The heat produced will be 

A. 280 Cal 

B. 140 Cal 

C. 1400 Cal 

D. 2800 Cal 

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1 Answer

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by (58.4k points)

The Correct option is  D. 2800 Cal

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