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 :

    (c) Both (a) and (b) Drift velocity, \[{{v}_{d}}=\frac{l}{neA}\] where the symbols have their usual meanings.


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