Magnetism
Magnetism
It is a fundamental force in nature which may be repulsive or attractive. Earth itself acts as a magnet. We are all surrounded by magnets since electrons and protons act as tiny magnets. We have natural magnets hence we can say that magnetic behavior can be shown even by bodies having no net charge. Hence, it is different from electrostatic force.
The leading scientist of 19th century Hans Christian Oersted in 1820, discovered that a compass needle got deflected when a metallic conductor carrying current is placed nearby it. According to him deflection of compass was due to the magnetic field produced by the electric current. Any change in the direction of current will show a variation in deflection. Thus, electricity and magnetism are related phenomena to each other.
A magnetic compass is a device that is used to show ___________________
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| Right Option : D | |||
| View Explanation | |||
What are the properties of magnetism ? | |||
| Right Option : C | |||
| View Explanation | |||
Ancient people discovered magnetic rocks called lodestone. They use them ___________________- | |||
| Right Option : B | |||
| View Explanation | |||
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My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
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Ayan Ghosh
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Om Umang
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Shreya Shrivastava
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Manish Kumar
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Hiya Gupta
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Archit Segal
7thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
