The magnetic induction at the centre of a current carrying circular coil of radius $8 \mathrm{~cm}$ is $6…
The magnetic induction at the centre of a current carrying circular coil of radius $8 \mathrm{~cm}$ is $6 \sqrt{6}$ times the magnetic induction at a point on its axis. Then the distance of the point from the centre of the coil in $\mathrm{cm}$ is $(\sqrt{5}=2.236)$