A current i ampere flows in a circular arc of wire whose

Last updated: 6/24/2023

A current i ampere flows in a circular arc of wire whose radius is R which subtend an angle 3 2 radian at its centre The magnetic induction B at the centre is 2 40 R 3 oi 8R O Moi R O Moi 2R R x 2 Marks 4 1