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The magnitude of the magnetic field at O...

The magnitude of the magnetic field at O ( centre of the circular part ) due to the current - carrying coil as shown is :

A

zero

B

perpendicular to paper inwards

C

perpendiculr to paper outwards

D

is perpendicular to paper inwardsd if ` theta pm 90^(@)` and perpendicualr to paper outwards if `90^(@) pm theta pm 180^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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