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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 as 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 magnetic field of the current.

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The correct Answer is:
A
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