Is it possible to change the polarity of an electromagnet ? Give any t

1.	Is it possible to change the polarity of an electromagnet ? Give any two uses of electromagnets.
Answer» Yes, we can change the polarity of an electromagnet by reversing the direction of the current. Uses of electromagnets : (i) In electric bells (ii) For separating magnetic substances such as iron and other metallic substances from metallic scrap.

Is it possible to change the polarity of an electromagnet ? Give any two uses of electromagnets.

Answer»

Yes, we can change the polarity of an electromagnet by reversing the direction of the current.

Uses of electromagnets :

(i) In electric bells

(ii) For separating magnetic substances such as iron and other metallic substances from metallic scrap.