A hollow non conducting sphere of radius R has a positive

Last updated: 6/2/2023

A hollow non conducting sphere of radius R has a positive charge q uniformly distributed on its surface The sphere starts rotating with a constant angular velocity o about an axis passing through center of sphere as shown in the figure Then the net magnetic field at center of the sphere is A B C How 2 R How 6 R D Ho9 3 R Hoq 12TR O 9 R