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What is drift speed?

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What is drift speed?

    • Posted by Geetanand Yadav 6 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Gaurav Seth 6 years, 10 months ago

    The velocity gained by the accelerating electrons in uniform electric field inside the conductor is drift velocity. The average velocity, acquired by free electrons along the length of a metallic conductor, due to existing electric field is called drift velocity.


     

    Let ‘n’ be the number density of free electrons in a conductor of length ‘l’ and area of cross-section ‘A’.

     

    Total charge in the conductor, Q = Ne

                                              = (nAl)e

    Time taken, t is given by, 

    Therefore, the current flowing across the conductor is given by, 



    That is, 

    , which is the amount of current flowing through a conductor in terms of drift velocity.

    0Thank You

    Geetanand Yadav 6 years, 10 months ago

    Chapter electricity

    0Thank You

    Geetanand Yadav 6 years, 10 months ago

    Sorry bro/sis it is of science

    2Thank You

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