3. Let's Discuss: a. Most of the iron filings cling near the ends of the magnet. b. When a magnet is heated strongly, it gets demagnetized. c. Naaz has a keychain which has a magnet. She does not keep it near her while using her mobile phone and laptop. Why do you think she takes these precautions? What values are displayed by her?
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a.Because the ends of the magnet have greater magnetic strength than the centre of the magnet. So, most of the iron filings cling near the ends of the magnet.
b.If a magnet is exposed to high temperatures, the delicate balance between temperature and magnetic domains is destabilized
c. Televisions, mobiles, CD, computers and many more devices are made up of magnetic materials and magnets in it. If you bring a magnet closer to it then it will spoil these devices.
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