An electric heater of resistance 500 ohm is connected to a mains supply for 30min. If 15A current flows through the filament of the heater, then calculate the heat energy produced in the heater. 

Asked by pdcavita | 26th Nov, 2017, 09:40: PM

Expert Answer:

H=I2Rt
 
= 152x500x30x60   (time in seconds)
=202500000 Joules of heat

Answered by Gajendra | 27th Nov, 2017, 10:10: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.