A student investigates magnetic fields.(a) He places a bar magnet into a tray of steel pins, and then removes the magnet.
(i) Explain why pin X is attached to pin Y. 2 Marks
(ii) Write a conclusion for the student’s investigation. 3 marks
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when steel pins are placed near a bar magnet the steel pins itself behaves like a bar magnet.. y it happens so , the theory lies in the study of type of materials like ferromagnetic , paramagnetic or diamagnetic.. here the steel pins starts behaving like a magnet when placed in an external magnetic field , so the other pins gets attached to it....
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Explanation:
When the steels pins are placed near a bar magnet. It gets magnetise meaning that giving pin X and pin Y magnetic properties. This could be because of the magnetic field of the magnetic bar.
When we place a bar magnet into a tray of steel pins, the steel pins magnetise and the nails will attach to each other.
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