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PhysicsJEE Main 5 Apr 2026, Shift 2·Q25·Numerical·Easy–moderate

Electromagnetic Induction · Induction laws

A circular loop of radius 20 cm and resistance 2 Ω2\ \Omega is placed in a time varying magnetic field B⃗=(2t2+2t+3)\vec B = (2t^2 + 2t + 3) T. At t=0t = 0, for the plane of the loop being perpendicular to the magnetic field, the induced current in the loop at t=3t = 3 s is α50\dfrac{\alpha}{50} A. The value of α\alpha is (Take π=22/7\pi = 22/7)
We corrected a printing error in the original paper

Source printed “perpendicular to the magnetic field and, the induced current”.

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