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

Assertion: Heat is generated continoulsy in an electric heater but its temperature becomes constant after some time. Reason:- At the stage when heat produced in heater is equal to the heat dissipated to its surrounding the temperature of heater becomes constant.

During boiling, the temperature remains constant. Why?

A system S receives heat continuously from an electric heater of power 10 W . The temperature of S becomes constant at 50^(@)C when the surrounding temperature is 20^(@)C . After the heater is switched off, S cools from 35.1^(@)C to 34.9^(@)C in 1 minute . the heat capacity of S is

A system receives heat continuously at the rate of 10 W. The temperature of the system becomes constant at 70^@C when the temperature of the surroundings is 30^@C . After the heater is switched off, the system cools from 50^@C to 49.9^@C in 1 min. The heat capacity of the system is

Why the cell stops working after some time?

For any substance, why does the temperature remains constant during the change of state?

Why does the cord of an electric heater not glow while the heating element does ?

An electrically maintained tuning fork vibrates with constant frequency and constant amplitude. If the temperature of the surrounding air increases but pressure remains constant, the sound produced will have

A 10 W electric heater is used to heat a container filled with 0.5 kg of water. It is found that the temperature of water and container rises by 3^(@) K in 15 min. The container is then emptied, dired and filled with 2kg of oil. The same heater now raises the temperature of container oil system by 2K in 20 min. Assume there is no heat loss in the process and the specific heat of water is 4200 Jkg^(-1)K^(-1) , the specific heat of oil in the same limit is equal to

Why electrochemical cell stops working after some time?