A straight rod of mass m and length L is suspended from the

Last updated: 6/2/2023

A straight rod of mass m and length L is suspended from the identical spring as shown in the figure spring stretched by a distance of xo due to the weight of the wire The circuit has total resistance F When the magnetic field perpendicular to the plane of the paper is switched on springs are observed extend further by the same distance The magnetic field strength is mgR A EL B C D mgR 2 x0 mgR EL directed outward from the plane of the paper mgR E XO directed outward from the plane of the paper directed into the plane of the paper directed into the plane of the paper llllll L mmm