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 ?
To control the strength of the magnet
To not waste electricity
To latch onto and let go of objects
To reduce wearing out of the magnet over time
The answers are...
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
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-to latch onto and let go of objects
-how quickly electrical energy moves in a circuit
-when a current runs through a conductor
-Electrons are moved through a circuit, creating a current. That current interacts with a magnet, moving the conductor in the orientation of the field.
-electromagnetic field