# Current Carrying Circular Loop-

Before you go through this article, make sure that you have gone through the previous article on Magnetic Field At Center of Current Carrying Circular Loop.

We have learnt-

• In 1820, Oersted discovered that a current carrying conductor produces a magnetic field around it.
• A current carrying circular loop produces a magnetic field around it.
• The magnetic field at the center of a current carrying circular loop is given by-

## Current Carrying Circular Loop As A Magnetic Dipole-

 A magnetic dipole is an arrangement of two equal and opposite magnetic poles separated by some distance.

A current carrying circular loop behaves as a magnet / magnetic dipole.

The comparison of the magnetic field lines of the circular loop and a bar magnet shows that the two patterns are similar.

On observing the loop from one side,

• The current seems to flow in anticlockwise direction.
• Magnetic field lines emerge out the loop from this side.
• Hence, this side of the loop acts as a North pole.

On observing the loop from the other side,

• The current seems to flow in clockwise direction.
• Magnetic field lines enter the loop from this side.
• Hence, this side of the loop acts as a South pole.

### Conclusion

• The side from which the magnetic field lines emerge out the loop acts as North pole.
• The side from which the magnetic field lines enter the loop acts as South pole.

Thus, we say that a current carrying circular loop behaves as a magnet / magnetic dipole.

### NOTE

It may be noted that every loop whether rectangular, square, hexagonal or elliptical acts as a magnet.

This can be verified by studying force on one current carrying loop due to a magnet or another current carrying loop.

### Example-01:

Here, the loop and the magnet attract each other.

### Example-02:

Here, the two loops attract each other.

#### MCQs Quiz-

MCQs Quiz

on Current Carrying Circular Loop As A Magnetic Dipole

#### Worksheet-

Worksheet

on Current Carrying Circular Loop As A Magnetic Dipole

#### Next Article-

Magnetic Dipole Moment of a Current Carrying Loop

Get more notes & other study material of the Chapter Moving Charges & Magnetism.