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A vertical circular coil of radius 0.1 m...

A vertical circular coil of radius 0.1 m and having 10 turns carries a steady current. When the plane of the coil is normal to the magnetic meridian, a neutral point is observed at the centre of the coil. If `B_H = 0.314 xx 10^-4 T`. The current in the coil is

A

0.5 A

B

0.25 A

C

`2A`

D

`1A`.

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