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)

Question

options:

to control the strength of the magnet
to control the strength of the magnet

to latch onto and let go of objects
to latch onto and let go of objects

to reduce wearing out of the magnet over time
to reduce wearing out of the magnet over time

to not waste electricity

Answer 1

The most relevant reason for being able to turn the electromagnet on and off is to latch onto and let go of objects. This capability is essential in applications like cranes used for lifting heavy metallic objects, where the electromagnet can grip the load when powered and release it when turned off.