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An electric current of 16A exists in a m...

An electric current of 16A exists in a meta! wire of cross section `10^(-6)m^2` and length 1m. Assuming one free electron per atom. The drift speed of the free electrons in the wire will be (Density of metal `=5xx10^3kg//m^3` atomic weight =60)

A

`5xx10^(-3)m//s`

B

`2xx10^(-3)m//s`

C

`4xx10^(-3)m//s`

D

`7.5xx10^(-3)m//s`

Text Solution

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The correct Answer is:
B
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