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SURA PUBLICATION-MAGNETISM-Exercise
- Analogy: Electro magnet: Magnetic crane.Ordinary magnet:.
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- An object that is attracted by magnet.
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- poles repel to each other. (i) N-N (ii) N-S (iii) S-N(iv)S-S
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- Mangnets lose their properties when they are
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- Electro magnetiuc trains can easily attain a speed of km per hour
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- The materials which are attracted towards the magnet are called.
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- Paper is not a material.
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- Ais an instrument which is used to find directions.
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- Find whether the following sentences are true or false.If false correc...
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- True or False.If False give the correct statement: Magnetites are arti...
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- True or False.If False give the correct statement: Magnet lose their ...
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- Match the following.
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- Analogy: Magnetic substance:Attracted by magnets Non magnetic substan...
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- Circle the odd ones and give reasons: Iron nail,pins,rubber tube,needl...
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- Give any four different shapes of artificial magnets.
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- Explain the attraction and repulsion between magnetic poles.
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- Differentiate magnetic and non magnetic substance.
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- Give any two tips to store bar magnets.
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- You are provided with an iron needle.How will you magnetize it?
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- Give the uses of magnets.
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