[" If a bar magnet of moment "M" is bent "],[" an arc,its magnetic moment "]

A bar magnet of moment M is bent as an arc . Its magnetic moment

A bar magnet of moment M is bent into arc, its moment

Time period of a bar magnet oscillating in earth's magnetic field is T. Its magnetic moment is M. Now, a bar magnet of magnetic moment 2M is brought near it. The new time period will be

Time period of a bar magnet oscillating in earth's magnetic field is T. Its magnetic moment is M. Now, a bar magnet of magnetic moment 2M is brought near it. The new time period will be