Jee Main
Magnetics
JEE Main 2023 (Online) 8th April Evening Shift
INTEGER+4 / -12023
The ratio of magnetic field at the centre of a current carrying coil of radius \(r\) to the magnetic field at distance \(r\) from the centre of coil on its axis is \(\sqrt{x}: 1\). The value of \(x\) is __________