Question

advantages of electromagnet 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:

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Answer 2

Explanation:

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advantages of electromagnets over permanent magnets are :

(1) : The magnetic strength of electromagnets can either be increased or decreased but this cannot be done in permanent magnets.

(2) : Magnetic power of electromagnets is more than compared to permanent magnets.

Due to these advantages, electromagnets have more application than permanent magnets.

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