When does an electromagnet operate
A.When there is a nail
B.When there is a wire
C.When there is a dry cell
D.When there is a flow of electricity
A.When there is a nail
B.When there is a wire
C.When there is a dry cell
D.When there is a flow of electricity
Add an Answer
More Questions From This User See All
Answers & Comments
Answer:
An electromagnet is a magnet that runs on electricity. Unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric current that flows through it. The poles of an electromagnet can even be reversed by reversing the flow of electricity.