Two heating elements each of 220 V 3 5 kW rating are first

Last updated: 6/9/2023

Two heating elements each of 220 V 3 5 kW rating are first joined in parallel and then in series to heat same amount of water through same range of temperature The ratio of tim taken in two cases would be mains voltage remains same 1 2 2 1 1 4 2 3