GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The magnetic compass
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led to long distance sea voyages
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was built from charcoal and clay
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used a magnetic needle
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a and c
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Explanation:
Detailed explanation-1: -The magnetic compass is a device containing a magnetic needle pivoted in a horizontal plane that indicates North when held on the earth’s surface. Use: Magnetic compass is used to find directions. It is used by sailors to find the right direction during navigation.
Detailed explanation-2: -Magnetic compasses consist of a magnetized needle that is allowed to rotate so it lines up with Earth’s magnetic field. The ends point to what are known as magnetic north and magnetic south.
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