A magnet is suspended in a uniform magnetic field by a thin wire. On twisting the wire through half revolution, the magnet twists through `30^(@)` from the original position. How much should we rotate the wire in order to twist the magnet through `45^(@)` from its original position

The magnetic field produced by a straight conducting wire on passing the current through it is ……

A magnet of magnetic moment M is freely suspended in a uniform magnetic field of strength B. The work done in rotating the magnet through an angle theta is given by ________

A bar magnet is suspended in a uniform magnetic field in a position such that it experiences maxiumum torque. The angle through which it must be rotated from this position such that it experiences half of the maximum torque. The angle through which it must be rotated from this positon such that it experiences half of the maxium troque is

The magnetic field at the origin due to the current flowing in the wire is

The magnetic field at the origin due to the current flowing in the wire is

The magnetic field at the origin due to the current flowing in the wire is

For a coil rotating in a uniform magnetic field, in which position of the coil is the emf induced in the maximum? What is the magnetic flux through the coil in this position?