Mht Cet
Moving Charges And Magnetism
MHT CET 2026 15th April Evening Shift
MCQ+1 / -02026
A thin ring of radius 'R' metre has charge 'q' coulomb uniformly spread on it. The ring rotates about its axis with a constant frequency of 'f' revolution/s. The value of magnetic induction at the centre of the ring in $\text{Wb/m}^2$ is
( $\mu_0$ = permeability of free space )
( $\mu_0$ = permeability of free space )