Question:
Two circular coils 1 and 2 are made from the same wire but
Last updated: 6/12/2023
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Two circular coils 1 and 2 are made from the same wire but the radius of the 1st coil is twice that of the 2nd coil What potential difference in volts should be applied across them so that the magnetic field at their centres is the same 2006 2 3