Jee Main
Electromagnetic Induction
JEE Main 2022 (Online) 25th July Evening Shift
MCQ+4 / -12022
The electric current in a circular coil of 2 turns produces a magnetic induction B1 at its centre. The coil is unwound and in rewound into a circular coil of 5 tuns and the same current produces a magnetic induction B2 at its centre. The ratio of \({{{B_2}} \over {{B_1}}}\) is