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A copper wire of cross sectional area 2....

A copper wire of cross sectional area 2.0 `mm^(2)`, resistivity `=1.7xx10^(-8)Omegam`, carries a current of 1 A. The electric field in the copper wire is

A

`8.5 xx 10^(-5) V/m`

B

`8.5 xx 10^(-4) V/m`

C

`8.5 xx 10^(-3) V/m`

D

`8.5 xx 10^(-2) V/m`

Text Solution

Verified by Experts

The correct Answer is:
C
`E = (irho)/A`
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