what are the two methods for mapping the magnetic field lines of a bar magnet
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The two methods for mapping the magnetic field lines of a bar magnet are by
1. iron-fillings method
2. compass needle method
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Explanation:
Mention two methods for mapping the magnetic field of a bar magnet. Two methods used for mapping the magnetic field of a bar-magnet are: (i) Iron-filings method. (ii) Compass needle method.
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