Question

Why magnetic compass is used for navigation

Answer 1

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The magnetic compass is the most familiar compass type. It functions as a pointer to "magnetic north", the local magnetic meridian, because the magnetized needle kar its heart aligns itself with the horizontal component of the Earth's magnetic field.

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Answer 2

Answer:

was first invented as a device for divination as early as the Chinese Han Dynasty and Tang Dynasty (since about 206 BC). The compass was used in Song Dynasty China by the military for navigational orienteering by 1040–44, and was used for maritime navigation by 1111 to 1117.