If a heater of 100Ω resistance draws a current of 5A for an hour then find the energy consumed by the heater.
3600 kJ
9000 kJ
2500 kJ
1800 kJ
Heat generated, H=I2Rti=5,R=100t=1×60×60secondsH=25×100×3600J=9×106 JoulesH=9000kJ
If a heater of 100 Ω resistance draws a current of 5 A for an hour then find the energy consumed by the heater.