National Science Olympiad Forum By SOF Olympiad Trainer - Page 167

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

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Class : Class 10
I probably thought that the answer would be stronger at p and r and weaker at q , because i used the sae concept as when it comes to permanent or natural magnet , but in elctromagnet , which i later found , it is totally opposite. The Poles are weakest and and at the center it is strongest

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

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Class : Class 8
what is the wrong in set II.

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 8

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Class : Class 9

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Class : Class 8
Answer=D

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 8

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Class : Class 8
Explaination?

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Subject :NSO    Class : Class 2

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