29 A horizontal wire is free to slide on the vertical rails

Last updated: 6/10/2023

29 A horizontal wire is free to slide on the vertical rails of a conducting frame as shown in figure The wire has a mass m and length 1 Resistance of the circuit is R If a uniform X magnetic field B is directed perpendicular to the frame the terminal speed of the wire as it falls under the force of gravity is a B 1 c mgR mgR BI b mgl BR X X X K X X X X X X X X X X B X X X X X X X X X X www R X X X X X d mgR B212 X X