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L is a circular loop (in y-z plane) carr...

L is a circular loop (in y-z plane) carrying an anticlockwise current. P is a point on its axis OX dl is an element of length on the loop at a point A on it. The magnetic field at P

A

due to L is directed along OX.

B

due to kl is directed along OX.

C

due to dl is perpendicular to AP in upwards direction

D

due to dl is perpendicular to AP in downwards direction

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The correct Answer is:
A, D
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