Question

two advantage of electromagnet​

Answer 1

advantages are...

1) strength of Electromagnet can be increased by increasing the electric current passing through the coil

2) polarity of the Electromagnet can be changed by changing the direction of passing of current through the electromagnet

Answer 2

Uses of Electromagnets. Electromagnets are used in all kinds of electric devices, including hard disk drives, speakers, motors, and generators, as well as in scrap yards to pick up heavy scrap metal. They're even used in MRI machines, which utilize magnets to take photos of your insides!