Magnetic Field Ratio Two Coils (Jee Mains) | ExamDuo
Biot-Savart and Ampere's Law
Medium
Magnetic Field Ratio Two Coils
BX and BY are the magnetic fields at the centre of two coils X and Y respectively each carrying equal current. If coil X has 200 turns and 20cm radius and coil Y has 400 turns and 20cm radius, the ratio of BX and BY is :