Heat is generated continuously in an electric heater but the temperature of its element becomes constant after some time. Why?
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Heat is generated continuously in an electric heater but its temperature becomes constant after some time. Why? Ans. The thermal equilibrium is reached in an electrical heater when the rate at which heat is generated by the electric current becomes to the equal to the rate at which heat is lost by radiation.
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This is because a stage reaches when rate at which heat is generated by electric current becomes equal to the rate at which heat Is lost by radiation. Thermal equilibrium is reached.
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