An electric water heater has a resistance of 12 ohms and is

Last updated: 6/24/2023

An electric water heater has a resistance of 12 ohms and is operated from 220 volt power line If no heat escapes from it how much time is required to raise the temperature of 40 Kg of water from 16 Cto 18 C A 63 3 sec C 83 3 sec B 73 3 sec D 93 3 sec