A rectangular coil has 100 turns each of...

A rectangular coil has 100 turns each of area 50 `cm^(2)`. It is capable of rotation about an axis joining the mid points of two opposite sides. When a current of 5 A is passed through it while its plane is at right angles to a uniform magnetic field, it experiences a torque of 5 Nm. The magnetic field will be

0.5T

1.5T

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