Question

An electromagnet is the most powerful type of magnet there is. It is a magnet with a current running through it that can be turned on and off. Why might it be useful to be able to turn the electromagnet on and off?(1 point)

to latch onto and let go of objects

to control the strength of the magnet

to reduce wearing out of the magnet over time

to not waste electricity

Answer 1

plz help!!!!

Answer 2

to latch onto and let go of objects

Answer 3

1.To latch onto and let go of objects
2.How quickly electrical energy moves in a circuit
3.When a current runs through a conductor
4.Elections are moved thorough a circuit creating that current interacts with a magnet moving the conductor in the orientation of the field
5.electromagnetic field

100% correct!