"We supply electric current continuously to an electric heater. But the temperature of the heater remains constant after some time." Why ?

"We supply electric current continuously to an electric heater. But th

1.	"We supply electric current continuously to an electric heater. But the temperature of the heater remains constant after some time." Why ?
Answer» Solution :The heater attains steady state when the RATE of production of HEAT BECOMES EQUAL to the rate of LOSS by conduction, convection and radiation.