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A capacitor of capacitance C is charged with the help of a 200V battery. Its then discharged through a small coil of resistance wire embedded in a thermally insulated block of specific heat capacity 2.5 x 10 2 J/kg and mass 0.1 kg. If the temperature of the block rises by 0.4K, the value of C is a) 500 F b) 500 x 10 -6 F c) 50 F d) 50 x 10 -6 F

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