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Q.

A 10 V storage battery of negligible internal resistance is connected across a 50Ω resistor. How much heat energy is produced in the resistor in 1 hour

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a

6200J

b

5200J

c

7200J

d

4200J

answer is A.

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Detailed Solution

H=i2Rt

H=V2R×t;

H=10×1050×60×60

H=7200J

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A 10 V storage battery of negligible internal resistance is connected across a 50Ω resistor. How much heat energy is produced in the resistor in 1 hour