1 A uniform disc of radius r and mass m is charged uniformly

Last updated: 6/14/2023

1 A uniform disc of radius r and mass m is charged uniformly with the charge q This disc is placed flat on a rough horizontal surface having coefficient of friction u A uniform magnetic field is present in a circular region a r 0 but varying as kt as shown in figure Find the time in second after which the disc begins to rotate Given r 1 m m 18 kg q 1C 0 1m K 4 g 10 m s B T a Disc