1. An electric boiler rated 2000 Watts connected to 220 volts source raised the temperature of 6 kg mass of water from 5 0C to 100 0C. Assuming no energy is lost to the surrounding (including the container), calculate The cost of electricity incurred if 1 UNIT of electricity cost GHc 0. 20 the resistance of the boiler [Specific Heat Capacity of water is 4200 J/Kg/0C]
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