JEE Main 202313 Apr, Evening shiftPhysicsHardElectromagnetic Induction and Alternating Currents149× since 2002
An insulated copper wire of 100 turns is wrapped around a wooden cylindrical core of the cross-sectional area . The two ends of the wire are connected to a resistor. The total resistance in the circuit is . If an externally applied uniform magnetic field in the core along its axis changes from in one direction to in the opposite direction, the charge flowing through a point in the circuit during the change of magnetic field will be ___________ .