Assertion :Internal resistance of a battery is drawn parallel to a battery in electricity circuit. Reason: Heat generated in a battery is due to internal resistance.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is incorrect but Reason is correct
Internal resistance is drawn in series with battery. The operation of any battery generates heat due to the $I^{2} R$ losses as current flows through the internal resistance of the battery whether it is being charged or discharged. This is also known as Joule heating.

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