Question

The magnetic compass contains a magnetic element that aligns itself with the earth’s magnetic field. Think of the earth as a big magnet. It has two magnetic poles, oriented north and south that are very close to the geographic North and South Poles. When a magnet or a magnetic element (such as the mineral lodestone or a ferrous metal that has been magnetized) is allowed to float freely, it will effectively point north and south, thus showing you which direction you are going in relation to that axis.

Question 21

The compass always point towards the north. Which one of the following is the correct explanation for this?

a) The Earth is a magnet and therefore it attracts the metallic needle of the compass.

b) The magnetic needle of the compass aligns itself with the Earth’s magnetic field.

c) The Earth’s south pole does not have a magnetic pull hence the compass points

towards the north.

d) The needle of the compass always points in the upward direction.

Answer 1

Answer:

The magnetic needle of the compass aligns itself with the Earth’s magnetic field.

Explanation:

This is so because the Earth has a great and massive magnetic field which can only be experienced only when any magnetic element is suspended freely without any interruption.

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