Question

an electric heater of resistance 800 ohm is connected to main supply of 220 volt current flows in the richer for one hour calculate the amount of heat produced in the heater​

Answer 1

Answer:

Given,

T= 1 hr

V=220v

R=800ohm

H=V×V×T÷R

H=220×220×1÷800

H=217800 calorie per second