Question:
Consider a perfectly conducting disc of radius r in a
Last updated: 6/26/2023
Consider a perfectly conducting disc of radius r in a constar magnetic field B perpendicular to the plane of the disk slidin contacts are provided at the edge of the disc C and its axle C After long time angular velocity will become constant and become equal to current in resistance is i then A A I D Po R ww 11 C B Bor R Bor 2R M 4MgR B r3 2MgR B r3