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This activity helps you to understand the field lines of a bar magnet.
Steps:
- Set a sheet of white paper on a drawing board using some sticky material.
- Locate a bar magnet in the centre of the paper.
- Spray some iron filings evenly around the bar magnet, as shown in the below figure. You may use a salt sprinkler for this purpose.
- Now, tap the board mildly.
What do you observe?
Observation:
The iron filings.
Why do the iron filings arrange in such manner? What does it illustrate?
The magnet in the area surrounding it. Therefore, the iron filings . This makes iron filings order in a manner. The area surrounding a magnet . The lines along which the iron filings arrange themselves denote .
Are there any different ways of obtaining magnetic field lines around a bar magnet?
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