nttwo circular coil 1 and 2 are made from same wire bt radius of ist c – InterviewSolution

1.	nttwo circular coil 1 and 2 are made from same wire bt radius of ist coil is twice of 2 nd coil . what is the ratio of potential differrence applied across them ,so that the magnetic field at the centre is the samen
Answer» nttwo circular coil 1 and 2 are made from same wire bt radius of ist coil is twice of 2 nd coil . what is the ratio of potential differrence applied across them ,so that the magnetic field at the centre is the samen

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