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CBSE Class 10 Answered

from where does permanent magnet get its energy for its magnetic force?
Asked by | 14 Jun, 2013, 07:03: PM
answered-by-expert Expert Answer
All the types of magnetic forces in the nature in materials are due to the motion of electron in the atoms. It happens in all the types of magnets. In permanent magnets, the magnetic field due to these electron motion is alligned in a particular direction permanently so that it becomes concentrated and we can observe it more easily. Some other things like oxygen gas is paramagnetic, aluminium is diamagnetic. But we never observe their phenomenon in normal life as they are weak.
Answered by | 14 Jun, 2013, 10:15: PM

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