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A vertical straight conductor carries a ...

A vertical straight conductor carries a current vertically upwards. A point `P` lies to the east of it at a small distance and another point `Q` lies to the west at the same distance. The magnetic field at `P` is

A

Greater than at `Q`

B

Same as at `Q`

C

Less than at `Q`

D

Greater or less than at `Q` depending upon the strength of the current

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Verified by Experts

The correct Answer is:
B
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