A torque of 25 N m acts on a current car...

A torque of 25 N m acts on a current carrying coil of area `5 m^(2)` and magnetic moment `2 A m^(2)` in a magnetic field of induction `2Wb//m^(2)`. The angle between normal to coil and magnetic induction is `30^(@)`. Then value of current is

0.4A

0.5A

400mA

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