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Q: The meridians that are parallel to the directions taken by freely moving magnetized needles, as in a compass are called as :
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  • A. geographic meridians
  • B. dynamic meridians
  • C. magnetic meridians
  • D. grid meridians
Correct Answer: Option C - • When the magnetic needle is suspended freely and balanced properly, unaffected by magnetic substances, it indicates a direction. This direction is known as magnetic meridian. • The angle between the magnetic meridian and a line is known as magnetic bearing or simple bearing of the line.
C. • When the magnetic needle is suspended freely and balanced properly, unaffected by magnetic substances, it indicates a direction. This direction is known as magnetic meridian. • The angle between the magnetic meridian and a line is known as magnetic bearing or simple bearing of the line.

Explanations:

• When the magnetic needle is suspended freely and balanced properly, unaffected by magnetic substances, it indicates a direction. This direction is known as magnetic meridian. • The angle between the magnetic meridian and a line is known as magnetic bearing or simple bearing of the line.