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The field of Physics, Sir William Gilbert is known for his work with magnetic fields. He observed that

1) Magnetic field lines around a bar magnet, which can be drawn using a small magnet and iron filings on a piece of paper

and

2) Magnetic field lines drawn on a world map / globe with information obtained from the British Navy

are very similar. He was the first to discover that the cause of the earth's magnetic field was internal and not external.

His discovery in simple words is that the Earth Behaves as if it contains a magnet inside .

The gilbert, a unit of magnetic force, is named after him. There is also a comprehensive school named after him.

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14y ago

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