Magnetic moment for a solenoid and corresponding bar magnet is

Compare the magnetic fields due to a solenoid and a bar magnet.

Magnetic dipole moment of a solenoid is m_(S) .Current passing through it is 2A .If the current is 4A ,find the new magnetic moment ?

Define magnetic moment of a bar magnet .

What is solenoid? How does a solenoid behave like a bar magnet?

A bar magnet is brought near a solenoid as shown in figure. Will the solenoid attract or repel the magnet?

A bar magnet is brought near a solenoid as shown in figure. Will the solenoid attract or repel the magnet?