Verified Solution • 2025–26 Session moderate

QPage 276: Q9: HC Verma: Concepts of Physics - Volume 2 Permanent Magnets Page 276: Q9 Solution: A dip circle is taken to geomagnetic equator. The needle is…

A dip circle is taken to geomagnetic equator. The needle is allowed to move in a vertical plane perpendicular to the magnetic meridian. The needle will stay ______.

Multiple Choice Options

  • A in horizontal direction only
  • B in vertical direction only
  • C in any direction except vertical and horizontal
  • D in the direction it is released

Step-by-Step Verified Solution

**Answer:** (b) in vertical direction only. **Step-by-Step Explanation:** At the geomagnetic equator, the field is horizontal. In a vertical plane perpendicular to the magnetic meridian, the needle will align vertically.

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