Question

what are electromagnets​

Answer 1

A soft metal core made into a magnet by the passage of electric current through a coil.


Hope it will help you



MARK IT BRAINLIEST

Answer 2

hola mate

here is the answer

hope this helps

electromagnets are such magnets which lose their magnetic property if they are not placed within an electrical field .

it is a soft piece of metal wrapped along with the coil .

it's efficiency can be increased by two methods .

1. by increasing the electrical voltage passing through it .

2. by increasing the number of turns in the solenoid