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14-05-2023
Physics

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In heating coil of resistance 20ohms, Connected to a 220 volts Source is used to boil a in Certain quantity of water container of heat Capacity 100j/k for 2 minute, If the initial temp. of water is 40°c. Calculate the mass of water in the container (4.2x10³j/k =SHC of water) Assume 100°c of water.

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