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Expression of drift velocity of free …

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Expression of drift velocity of free electrons

    • Posted by Nitika Neb 6 years, 10 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Sayeda Iram Ateeq 6 years, 10 months ago

    EXPRESSION FOR DRIFT VELOCITY: Avg. thermal velocity of electrons in a wire is zero. When an electric field is applied, force on an electron, F=eE Acceleration produced, a= F/m a= eE/m If Ț be the relaxation time, then the drift velocity, Vd= Thermal vel. + aȚ Vd= 0 + eE Ț/m Hence, "Vd= eE Ț/m"

    1Thank You

    Shubham Sharma 6 years, 10 months ago

    V = eE ×RELAXATION TIME ( t )÷m

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