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A horizontal overheadpowerline is at hei...

A horizontal overheadpowerline is at height of `4 m` from the ground and carries a current of `100 A` from east to west. The magnetic field directly below it on the ground is
`( nu_(0) = 4 pi xx 10^(-7) Tm A^(-1)`

A

`2.5xx10^(-7)T`, southward

B

`5xx10^(-6)T`, northward

C

`5xx10^(-6)T`, northward

D

`2.5xx10^(-7)T`, northward

Text Solution

Verified by Experts

The correct Answer is:
C
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MOTION-MAGNETISM -EXERCISE-4 (LEVEL-I)
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