Question

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Refer the Attachment



# Don't dare to Spam​

Answer 1

Bar magnet :-

• They are permanently magnetized
• These are usually made of hard materials.
• The strength of the magnetic field line is constant. it can not be varied.
• The pole of permanent magnet can not change
• Example of permanent magnet is Bar Magnet

Electromagnet :-

• These are temporary Magnetized.
• They are usually made of soft materials.
• The strength of the magnetic fields can be varied accordingly to our need.
• The poles of an electromagnet can be altered
• Example of a temporary magnet is solenoid wounded across a nail and connected to a battery.

Answer 2

Answer:

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