CBSE Class XII Physics 2015 Question Papers with Solutions

Question : 1

Total: 26

Define the term ‘mobility’ of charge carriers. Write its S.I. unit

Solution:

Mobility of the charge carrier is defined as the drift velocity of the charge carrier per unit electric field.
It is denoted by µ and is given as
µ=

The SI unit of µ is m2V−1s−1.

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