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Question

Which of the following would you choose in case you lost your way?


A

Bar Magnet

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B

Aluminum plate

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C

Copper wire

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D

Iron rod

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Solution

The correct options are
A

Bar Magnet


D

Iron rod


When a bar magnet is suspended via thread it always aligns towards the North-South direction. With the help of this, you can easily find out the directions. Similarly, Compass has a small piece of bar magnet inside it which is the reason for the needle to point in the North-South direction.


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