Question: Q. 7. Define the term mobility of charge carriers in a conductor. Write its S.I. unit.

R[Delhi I, II, III 2014]

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Solution:

Ans. Magnitude of the drift velocity of charge carrier per unit electric field is called mobility.

Alternatively,

μ=|vd|E or eτm

Its SI unit is m2/ (volt second) or ms1 N1C1/2

[CBSE Marking Scheme 2014]



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