Electromagnets are better than permanent magnets. explain why.
Answers
Answered by
39
Answer:
The main advantage of an electromagnet over a permanent magnet is that the magnetic field can be quickly changed by controlling the amount of electric current in the winding. However, unlike a permanent magnet that needs no power, an electromagnet requires a continuous supply of current to maintain the magnetic field.
plss mark me as the brainliest!!
Answered by
6
Electromagnets are 20 times stronger than a permanent magnet.
Similar questions