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1.2

Minor Versionm

by Procheta Mallik

Introduction

Place given bar magnet under a white paper and sprinkle iron filings to see the magnetic field lines.

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Video Overview

  1. Pour around 2 grams of iron filings on a white paper and place a bar magnet under the paper. Now on top of the paper, gradually sprinkle some more iron filings in all the directions. Now on top of the paper, gradually sprinkle some more iron filings in all the directions.
    • Pour around 2 grams of iron filings on a white paper and place a bar magnet under the paper.

    • Now on top of the paper, gradually sprinkle some more iron filings in all the directions.

  2. Observe the pattern of magnetic field lines. Explore by adding more magnets or changing the orientation of the magnets.
    • Observe the pattern of magnetic field lines.

    • Explore by adding more magnets or changing the orientation of the magnets.

    • You may also play around by replacing the bar magnet by other types of magnets available with you - ferrite ring magnets, fridge magnet, neodymium magnets....

    • Check if the iron filings have been sprinkled in all directions around the magnet.

    • You won't see the field lines if we don't have enough iron filings.

    • What will happen if magnetic poles of bar magnets are placed close to each other?

    • What will happen when opposite magnetic poles of bar magnets are placed close to each other?

    • What do you notice about the lines of magnetic force? Are the magnetic lines of force stronger at the poles or at the centre of the magnet?

    • Repeat the tactivity using other types of magnets that you have - fridge magnet, ring magnet, neodymium magnet.Observe and compare.

    • Repeat the process by placing multiple magnets under the paper. Also vary the position of the poles.

Finish Line

Suhail Ahanger

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