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  5. Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर

NEET Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर NEET PYQ-Current Electricity Charging Capacitors

  • question_answer
    The solids which have the negative temperature coefficient of resistance are:                       [NEET 2020]

    A)  insulators only

    B)  semiconductors only

    C)  insulators and semiconductorsv

    D)  metals

    Correct Answer: C

    Solution :

    [c] For metals temperature coefficient of resistance is positive while for insulators and semiconductors, temperature coefficient of resistance is negative.


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