A water heater marked 2 kW, 220 V is connected to a 220 V supply line. How long will it take to heat 20 kg of water from 10°C to 30°C? Assume that all the heat is taken up by the water.
A water heater marked 2 kW, 220 V is connected to a 220 V supply line. How long will it take to heat 20 kg of water from 10°C to 30°C? Assume that all the heat is taken up by the water.