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The electric field in the copper wire o...

The electric field in the copper wire of area of cross - section `2mm^(2)` carrying a current of `1A` is (use resistivily of copper is `1.7 xx 10^(-8) Omegam)`

A

`8.0 xx 10^(-2)Vm^(-1)`

B

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

C

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

D

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

Text Solution

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The correct Answer is:
C
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PRADEEP-CURRENT ELECTRICITY-Exercise
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  6. Define resistivity of the material. State its SI unit and discuss its ...

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  10. Current is a…….quantity and in SI unit is……..

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  11. In a closed loop when current has not been reached the stedy start , t...

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  12. The direction of current density is ……. To the direction of friff velo...

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  16. Resistivity is the property of the ……. and it depends opon the ….. of...

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