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A copper calorimeter of neglilible thermal capacity is filled with a liquid.the mass of the liquid equals 200 gm. a heating element of negligible thermal capacity is immersed in the liquid. it is found that the temperature of the calorimeter and its content rises from 25 c to 35 c in 5 min when a current of 20.5 ampere is passed through it at potential difference of 5V. the liquid is thrown off and the heater is again switched on.it is now found that the temperature of the calorimeter alone is constantly maintained at 32 c when the current through the heater is 7A at the pot. diff 6V . calculate the specific heat capacity of the liquid. the temperature of the surroundings is 25 C

A copper calorimeter of neglilible thermal capacity is filled with a liquid.the mass of the liquid equals 200 gm. a heating element of negligible thermal capacity is immersed in the liquid. it is found that the temperature of the calorimeter and its content rises from 25 c to 35 c in 5 min when a current of 20.5 ampere is passed through it at potential difference of 5V. the liquid is thrown off and the heater is again switched on.it is now found that the temperature of the calorimeter alone is constantly maintained at 32 c when the current through the heater is 7A at the pot. diff 6V . calculate the specific heat capacity of the liquid. the temperature of the surroundings is 25 C

Grade:12

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