Question

you are provided with a bar magnet, cardboard and iron fillings.
1. suggest an activity to show the pattern of magnetic field lines.
2. draw a rough sketch of the field lines which you observe.​

Answer 1

Answer:

pass the magnet under the cardboard with the iron fillings on its top

Explanation:

when the magnet is passed , the iron fillings will arrange in accordance to the magnetic field lines.

Answer 2

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