The energy supply being cut off,an electric h | vedclass

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Question

(D) According to the $Zeroth$ Law of Thermodynamics and the principles of heat transfer,heat flows from a body at a higher temperature to a body at a

Vedclass · Accepted Answer

Element and surroundings have the same temperature

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(D) According to the $Zeroth$ Law of Thermodynamics and the principles of heat transfer,heat flows from a body at a higher temperature to a body at a lower temperature.When the electric heater element cools down to the temperature of its surroundings,the temperature difference between the element and the surroundings becomes zero.Since the rate of heat transfer is proportional to the temperature difference,when the temperatures are equal,there is no net flow of heat.Therefore,the element stops cooling further and remains at the same temperature as its surroundings.

The energy supply being cut off,an electric heater element cools down to the temperature of its surroundings,but it will not cool further because:

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