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- Mobility Of Electron MCQ - Practice Questions with Answers
Mobility Of Electron MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET
Quick Facts
-
3 Questions around this concept.
Concepts Covered - 1
Mobility
-
Mobility-
Drift velocity per unit Electric field is called mobility of electrons.
$
\mu=\frac{v_d}{E}
$
$\mu-$ Mobility
$
v_d-\text { 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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