An electric current i enters and leaves a uniform circular wire of radius a through diametrically opposite points.Acharged particle q moving along the axis of the circular wire passes through its centre at speed v.the magnetic force acting on the particle when it passes through the centre has a magnitude -------.
An electric current i enters and leaves a uniform circular wire of radius a through diametrically opposite points.Acharged particle q moving along the axis of the circular wire passes through its centre at speed v.the magnetic force acting on the particle when it passes through the centre has a magnitude -------.