Calculate the amount of heat produced per second in calories,when bulb of 100W , 220V glows assuming 20% of electric energy is converted into light.
Dear Student
Power of bulb is 100 W.
20% Electrical energy is converted into light. t is 20 W.
Rest of energy is used to produce heat that is 80 W.
Regards
Power of bulb is 100 W.
20% Electrical energy is converted into light. t is 20 W.
Rest of energy is used to produce heat that is 80 W.
Regards