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Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.
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Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet. Magnetize the needle and set it in a way that it may rotate freely when suspended. Boojho kept a magnet close to an ordinary iron bar. He observed that the iron bar attracts a pin as shown in Fig.
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Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet. Magnetize the needle and set it in a way that it may rotate freely when suspended. Boojho kept a magnet close to an ordinary iron bar. He observed that the iron bar attracts a pin.
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