JEE Main 202623 Jan, Morning shiftPhysicsMediumElectromagnetic Induction and Alternating Currents149× since 2002
A 20 m long uniform copper wire held horizontally is allowed to fall under the gravity ( m/s) through a uniform horizontal magnetic field of 0.5 Gauss perpendicular to the length of the wire. The induced EMF across the wire when it travells a vertical distance of 200 m is ______ mV.