Mht Cet
Moving Charges And Magnetism
MHT CET 2024 16th May Evening Shift
MCQ+1 / -02024
An arc of a circle of radius ' $R$ ' subtends an angle $\frac{\pi}{2}$ at the centre. It carries a current $I$. The magnetic field at the centre will be ( $\mu_0=$ permeability of free space)