An electrical heater is connected Turn by turn to DC and an AC source of the same voltage will the - Physics - Electromagnetic Induction

Question

An electrical heater is connected Turn by turn to DC and an AC
source of the same voltage will the rate of heat production be same
in the two case

Ujjval Chauhan · Accepted Answer

Dear student,

The element of an heater is an inductor of inductance L (say) besides the resistance R
For, AC current, effective resistance=R2+ωL2For, DC current, effective resistance=R
So, for same voltage DC source will produce more heat

Regards

An electrical heater is connected Turn by turn to DC and an AC source of the same voltage will the rate of heat production be same in the two case