be
4. Name four devices which use artificial mar
5. What is ferrite? What are its uses?
6 Define (a) magnetic substances, (b) non-magnetic
substances. Give four examples of each
7. Why is a 5 rupee coin attracted by a magnet
Name the metal present in the coin.
These are 4 questions please answer the questions you can
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Answer:
the attraction does not depend on any value of the coin.
if the coin attracts a magnet towards it ,then it should be made of either IRON,COBALT OR NICKEL as these are magnetic materials.....
Explanation:
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