Bar Magnet or Permanent Magnet

It is a temporary magnet

It is a permanent magnet

They are usually made of soft materials

They are usually made of hard materials

It can produce very strong magnetic force

It produces comparatively weak magnetic force

It's magnetic strength can be changed

It's magnetic strength can not be changed

It's polarity can be changed.

It's polarity can not be changed.

Example - Solenoid - A wire wound across a nail connected to a battery

Example - Bar Magnet


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  1. Class 10
  2. Chapter 13 Class 10 - Magnetic Effects of Electric Current

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.