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NEET Sample Paper NEET Sample Test Paper-11

  • question_answer
    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

    A)  supply is cut off

    B)  it is made of metal

    C)  surroundings are radiating

    D)  element and surroundings have the same temperature.

    Correct Answer: D

    Solution :

     When element and surrounding have the same temperature. There will be no temperature difference, hence heat will not flow from the filament and its temperature remains constant.


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