Earth MagnetismAir Navigation — DGCA CPL practice questions

Question 1 of 3

The value of variation:

A.is zero at the magnetic equator

B.has a maximum value of 180°

C.has a maximum value of 45°E or 45°W

D.cannot exceed 90°

All 3 questions — Earth Magnetism

Air Navigation · DGCA CPL. The correct option is marked on each.

Q1. The value of variation:
- A.is zero at the magnetic equator
- B.has a maximum value of 180°✓
- C.has a maximum value of 45°E or 45°W
- D.cannot exceed 90°
Q2. The angle between True North and Magnetic North is known as:
- A.deviation
- B.variation✓
- C.alignment error
- D.dip
Q3. Isogonal lines converge as follows:
- A.At the North Magnetic Pole
- B.At the North and South Magnetic and Geographical Poles✓
- C.At the North and South Magnetic Poles
- D.At the Magnetic equator