What is the difference between an electromagnet and a permanent magnet?

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Difference between an electromagnet and a permanent magnet:
Electromagnet Permanent Magnet
(i) The magnetic properties are displayed when current is passed through it. (i) The magnetic properties are displayed when the material is magnetized.
(ii) It is generally soft material. (ii) It is generally hard material.
(iii) The poles of this kind of magnet can be changed with the flow of current. (iii) The poles of this kind of magnet cannot be changed.
(iv) Removal of magnetic properties is temporary. (iv) It is useless when magnetic properties are lost.

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Electromagnet	Permanent Magnet
(i) The magnetic properties are displayed when current is passed through it.	(i) The magnetic properties are displayed when the material is magnetized.
(ii) It is generally soft material.	(ii) It is generally hard material.
(iii) The poles of this kind of magnet can be changed with the flow of current.	(iii) The poles of this kind of magnet cannot be changed.
(iv) Removal of magnetic properties is temporary.	(iv) It is useless when magnetic properties are lost.