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Banking Physics Electricity and Circuits Question Bank Electricity

  • question_answer
    The heating element of an electric heater should be made with a material, which should have

    A)  high specific resistance and high melting point  

    B)  high specific resistance and low melting point

    C)  low specific resistance and low melting point

    D)  low specific resistance and high melting point

    Correct Answer: A

    Solution :

     A heating wire should be such that it produces more heat when current is passed through it and also does not melt. It will be so if it has high specific resistance and high melting point.


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