What is the compass needle used for?

Navigation

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Measuring current

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Measuring temperature

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Detecting magnetic material

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Solution

The correct option is A Navigation
The magnetic needle of the compass is freely suspended, which always aligns itself to the North-South direction of Earth. Hence, it is used to find out the directions for navigation.
It deflects in the presence of magents but not magnetic materials. Hence, it cannot detect magnetic materials.

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Similar questions

(i) A compass is used to show the directions.
(ii) The needle of a compass is magnetic.

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