Bar magnet | Solenoid |
It has its natural magnetism. | Its magnetism is a type of artificial magnetism. |
Its magnetism cannot be increased or decreased by any other external way. | Its magnetism can be destroyed or it can be stopped. |
Its magnetism does not depend on any external applied factor. | Its magnetism does depend on various external factors applied like current, no of turns. |
Diagram of bar magnet | Diagram of solenoid |