For a given length l of wire carrying a current l, how many circular turns would produce the maximum magnetic moment ?

10A current carrying wire of length 1m is folded in circular form.How many circular turns would produce the maximum magnetic moment?

The magnetic field of a given length of wire carrying a current of a single turn circular coil at centre is B, then its value for two turns for the same wire when same current passing through it is

The magnetic field of a given length of wire carrying a current of a single turn circular coil at centre is B, then its value for two turns for the same wire when same current passing through it is

The magnetic field of a given length of wire carrying a current of a single turn circular coil at cebtre is B, then its value for two turns for the same wire when same current passing through it is

A straight wire carrying a current is turned into a circular loop if the magnitude of magnetic moment associated with it is M then the length of the wire will be