Electric current `i` enters and leaves a square loop made of homogeneous wire of uniform cross-secti
Channel: Doubtnut
Date: 2020-01-26

Electric current `i` enters and leaves a square loop made of homogeneous wire of uniform cross-section through diagonally opposite corners.A charge particle `q` moving along the axis of the square loop.Passes through centre at speed `v`.The magnetic force acting on the particle when it passes through the centre has a magnitude