Answer: 0°.
- A 0°
- B 30°
- C 45°
- D 90°
Correct answer: A. 0°
Explanation: At the magnetic equator the Earth field is horizontal, so the dip angle is 0°.
Magnetic field of a bar magnet: field lines emerge from the north pole and re-enter at the south pole outside the magnet, forming continuous closed loops. Image: Geek3, CC BY-SA 3.0, via Wikimedia Commons.
Concept context
Bar magnets, Earth's magnetism, and how different materials respond to an external magnetic field - diamagnetic, paramagnetic, and ferromagnetic behaviour.