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Earth's Magnetic Field

What we call ...

Question

What we call the vertical plane which passes through the magnetic axis of a freely suspended magnet at rest ?

A

Magnetic meridian

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B

Geographical meridian

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C

North meridian

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D

South meridian

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Solution

The correct option is A Magnetic meridian
The vertical plane which passes through the magnetic axis of a freely suspended magnet at rest is called magnetic meridian. The magnetic meridian is an equivalent imaginary line connecting the magnetic south and north pole and can be taken as the magnetic force lines along the surface of the earth.

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