An experiment to determine the magnetic field pattern of bar magnet using iron fillings.

An experiment to determine the magnetic field pattern of bar magnet using iron fillings.

• A cardboard is placed on a magnet and iron fillings sprinkled on the cardboard
• On tapping slightly on the cardboard, the fillings arrange themselves along the magnetic lines.
• The figure below shows Iron filings attracted to a bar magnet to show the magnetic field.

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