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If n, e, t and m respectively represent ...

If n, e, t and m respectively represent the density, charge, relaxation time and mass of the electron, then the resistance of a wire of lengh / and area of cross-section A will be

A

`(ml)/("ne"^2tA)`

B

`(mr^2A)/("ne"^2l)`

C

`("ne"^2rA)/(2ml)`

D

`("ne"^2A)/(2mrl)`

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The correct Answer is:
A
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