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GIVE THE DEFINATION OF DIFT VELOCITY

GIVE THE DEFINATION OF DIFT VELOCITY

Grade:12

1 Answers

Mukesh Sharma
askIITians Faculty 43 Points
7 years ago
Thedrift velocityis the averagevelocitythat a particle, such as anelectron, attains due to anelectric field.

Drift velocity is expressed in the following equations:

J = \rho v_{\it avg}

v_{\it avg} = \mu E

whereJis the charge density,\rhois charge density (in unitsC/m3), andv_{\it avg}is the drift velocity, and where\muis theElectron mobility(in units (m^2)/V*s) andEis theelectric field(in units V/m).

Thanks & Regards
Mukesh Sharma
askIITians Faculty


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