Biot-Savart and Ampere's Law
Circular Coil Magnetic Induction Ratio
The electric current in the circular coil of 2 turns produces a magnetic induction B₁ at its centre. The coil is unwound and is rewound into a circular coil of 5 turns and the same current produces a magnetic induction B₂ at its centre. The ratio of B₁/B₂ is