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PhysicsJEE Main 4 Apr 2026, Shift 2·Q24·Numerical·Easy–moderate

Moving Charges and Magnetism · Current loop and galvanometer

A circular coil of radius 2 cm and 125 turns carries a current of 1 A. The coil is placed in a uniform magnetic field of magnitude 0.4 T. The axis of the coil makes an angle of 30∘30^\circ with the direction of the magnetic field. The torque acting on the coil is α×10−4\alpha\times10^{-4} N.m. The value of α\alpha is . (π=3.14\pi = 3.14)

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