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Question

Which of the following is/are true about the needle in magnetic compass?


A

It always aligns itself in North-South direction in Earth's magnetic field

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B

It always aligns itself in North-East direction in Earth's magnetic field

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C

It is a non-magnetic substance

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D

It attracts metal

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Solution

The correct options are
A

It always aligns itself in North-South direction in Earth's magnetic field


D

It attracts metal


The needle of a compass is made from a magnet. Under Earth's magnetic field it always aligns in the North-South direction. This happens because the geographical north pole of Earth is also Earth's magnetic south pole.


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