Give two advantages of electromagnets
over permanent magnets. What
type of magnet is used in a
electric bell
Answers
Answered by
3
Answer:
electromagnets are temporary and work according to our needs.
2. electromagnets are more powerful.
electromagnets are used in electric bell
Answered by
8
Heya
Advantages:
☆ The magnetic field can be quickly changed by controlling the amount of electric current in the winding.
☆ Unlike a permanent magnet that needs no power, an electromagnet requires a continuous supply of current to maintain the magnetic field.
Electromagnets are used in Electric bell
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