Is it true that the earth acts as a huge bar magnet?

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True

False

answer is A.

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Detailed Solution

The above statement is True.
"The earth's magnetic field, also known as the geomagnetic field, is formed by iron and nickel alloys that behave like a massive magnet with its south pole pointing towards the earth's geographic north pole". That could explain why a freely strung magnet or a magnetic compass always points north-south. However, magnetic poles are distinct from geographic poles. The magnetic poles are close but not identical to the geographic poles. The geographic south pole is the magnetic north pole, while the magnetic north pole is the geographic south pole.
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