12th Class Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Case Based (MCQs) - Current Electricity

  • question_answer
    The drift speed of the electrons depends on

    A) dimensions of the conductor

    B) number density of free electrons in the conductor

    C) both [a] and [b]

    D) neither [a] nor [b]

    Correct Answer: C

    Solution :

    Drift velocity, \[{{v}_{d}}=\frac{I}{ne\,A}\] where the symbols have their usual meanings.


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