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A coil having 12 turns is connected to a battery. The magnetic field at the axis of the helix will be greater compared to the magnetic field at the centre of a circular loop of the same radius carrying current. How and why? Please explain in simple words as I can't understand it in the app.

Answer» A coil having 12 turns is connected to a battery. The magnetic field at the axis of the helix will be greater compared to the magnetic field at the centre of a circular loop of the same radius carrying current. How and why?
Please explain in simple words as I can't understand it in the app.


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