Physics, 18.05.2021 18:50 alliemmaddox
A heating coil of resistance 20 ohms is connect to a 220V to boil a certain quantity of water in a container of heat capacity 100J/K for 2minutes. If the initial temperature of the water is 40°C, calculate the mass of the water in the container. [Take S. H.C of water 4200J/Kg/K]
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