PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoSpread some steel pins on a wooden board and bring an iron nail near them. Are they attracted?
Now, make one of the magnetic poles of the bar magnet touch one end of the iron nail.
Slide it along its length in one direction slowly till the other end is reached.
Repeat the process 20 to 30 times as shown in the diagram.
Magnetising an iron nail
The magnet has to be moved in one direction only. Avoid the swiping of the magnet back and forth. Now, bring the iron nail near the steel pins. What do you notice?
Observation:
The steel pins because nail has become a .
Hence, any material, such as a needle or a blade, can be converted into a temporary magnet.
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