Question

A long wire is first bent into circular coil of one turn and then into circular coil of smaller radius having n turns. If same current is passed in both cases find ratio of magnetic field produced at centre in two cases

Answer 1

Answer:

Explanation:

Question:

A long wire is first bent into circular coil of one turn and then into circular coil of smaller radius having n turns. If same current is passed in both cases find ratio of magnetic field produced at centre in two cases