WHAT IS MAGNETISM ?

 

A magnet is a piece of iron or other material that can attract or repel other similar materials plays nearby if a bar magnet is suspended away from all other magnetic materials so that it can rotate in a horizontal plane it will always tend to align itself the same way which by convention is called the north and south direction the end that points not this call the north or north seeking pole and the other end is a South seeking pole all magnets have two poles a single magnetic pole has never been found despite speculation that such object may exist.

WHAT IS MAGNETIC FEILD?

The reason round a magnet over which it exist a force is called the magnetic field this field can be represented as the series of lines in the three dimensional that form of pattern linking the North and South poles of magnet conventionally the lines represent the way in which a hypothetical free north pole would move its direction shown by an arrow the build a strongest all the phones and decrease with the increasing distance form them like the electrostatic field.