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A current carrying loop is free to turn ...

A current carrying loop is free to turn in a uniform magnetic field. The loop will then come into equilibrium when its plane is inclined at

A

`0^(@)` to the direction of the field

B

`45^(@)` to the directin of the field

C

`90^(@)` to the direction of the field

D

`135^(@)` to the direction of the field

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The correct Answer is:
a
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