RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    The material of wire of potentiometer is

    A)  copper                

    B)         steel

    C)  manganin          

    D)         aluminium

    Correct Answer: C

    Solution :

    The wire of potentiometer is of manganin because its resistivity is very high and temperature coefficient of resistivity is low.


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