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Question


____________is a device used by navigators to find the direction.


Options:
A .   Protractor
B .   Thermometer
C .   Magnetic compass 
D .   Anemometer
Answer: Option C
:
C

A magnetic compass is a tool used for navigation. A magnetic compass aligns in North-South direction. This is because Earth behaves like a huge magnet and the poles of the Earth behave like poles of a huge bar magnet. As such, a freely suspending magnet gets attracted to the opposite poles and rotates in the direction of attraction. This direction is the North-South direction.



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