A heating coil of resistance 20 ohms connected to a 220V source is used to boil a certain amount of water in a container of heat capacity 100 J/kg for 2 minutes. If the initial temperature of the water is 400C , calculate the mass of the water in the container. ( S.H.C. of water = 4.2x103 J/kgK, )?
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Asked by amadi nnamdi on 7th July, 2020
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