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Mobility Of Electron - Practice Questions & MCQ
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #JEE Main
Quick Facts
-
5 Questions around this concept.
Solve by difficulty
EASYFor a conductor, if temperature applied across it is increased
$m^2 V^{-1} s^{-1}$ is the SI unit of which of the following ?
Concepts Covered - 1
Mobility
-
Mobility-
$
\mu=\frac{v_d}{E}
$
$\mu-$ Mobility
$v_d$-Drift velocity
Relation between conductivity and Mobility:
$
\sigma=\mu n e
$
Where n is the number of electrons per unit volume, e is the charge of the electron and $\sigma$ is the conductivity.
In case of a conductor conductivity decrease with the increase of temperature and in the case of semiconductor conductivity increase with increase in temperature.
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