What is meant by the term, ‘magnetic field’? Why does a compass needle show deflection when brought near a bar magnet?
Draw a diagram to show the magnetic field lines around a bar magnet. List any two properties of magnetic field lines.
(a) What are 'magnetic
field lines'? How is the direction of a magnetic field at a point
(b) Draw two field lines around a bar magnet along its length on its two sides and mark the field directions on them by arrow marks.
(c) List any three properties of magnetic field lines.