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Net magnetic field at the centre of the ...

Net magnetic field at the centre of the circle `O` due to a current carrying loop as shown in figure is `(thetalt180^(@))`
.

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

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The correct Answer is:
B
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