Question

explain an experiment to show magnetic lines around the bar magnet and write their properties ​

Answer 1

Explanation:

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Answer 2

The easy experiment to demonstrate magnetic field lines is by the use of iron filings.

• Place a bar magnet above a write paper on a table.
• Using a compass mark the direction of the needle.
• Spray iron filings on the paper and tap slightly.
• Iron filings are arranged themselves in the same pattern as we drew.
• These are the magnetic field lines.

Properties

• Field lines form closed loops
• They do not cross each other
• Density of field lines reduces with increase in distance from the poles