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Question
Define the term magnetic field of a magnet. How will you recognize it experimentally?
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Solution
The space around a magnet in which if a magnetic substance such as small pieces of iron are placed, they get attracted to the magnet, which is called the magnetic field.
Recognition of the magnetic field around a magnet: If a magnet is placed below a sheet of stiff paper and some iron filings are spread on it, then on tapping the sheet gently, the iron filings are found to arrange themselves in a definite pattern as shown in fig.
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