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A capacitor of capacitance C is charged ...

A capacitor of capacitance C is charged with the help of a 200 V battery. It is then discharged through a small coil of resistance wire embedded in a thermally insulated block of specific heat capacity 2.5 * 102 J/kg and mass 0.1 kg. If the temperature of the block rises by 0.4 K, the value of C is (1) 500 F (2) 500 uF (3) 50 F (4) 50 uF for 8 Pusa Road New Delhi-110005 Ph. 011-47623456

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