Question

what r the advantages of electromagnetic over permanent magnet​

Answer 1

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.

Explanation:

pad likh ke Kuch hone wala Nahi hai

Answer 2

Explanation:

• State any two advantages of electromagnets over permanent magnets.
• We can change the strength of the magnetic field of an electromagnet by varying current. ...
• It is easier to manufacture electromagnet.
• Magnetic power of electromagnets is more than compared to permanent magnets.