Question

what are the differences between two magnets bar magnet and eletro magnet? ​

Answer 1

${\bold{\blue{\underline{\red{A}\pink{ns}\green{we}\purple{r:-}}}}}$

✝ Bar magnet :-

➝ The bar magnet is a permanent magnet.

➝ A bar magnet or permanent magnet produces a comparatively weak force of attraction.

➝ The strength of a bar magnet cannot be changed.

➝ The north and south polarity of a bar magnet is fixed and cannot be changed.

✝ Electromagnet :-

➝ An electromagnet is a temporary magnet.

➝ An electromagnet can produce very strong magnetic force.

➝ The strength of an electromagnet can be changed by changing the number of turns in its coil or by changing the current passing through it.

➝ The polarity of an electromagnet can be changed by changing the direction of current in its coil.