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JAMB Physics 2014 Question 41

Question 41

Magnetism

The magnitude of the angle of dip at the equator is

  1. A.0°.
  2. B.90°.
  3. C.180°.
  4. D.360°.
Show the answer and explanation

Answer: A (0°.)

Explanation

At the magnetic equator the earth's field is horizontal, so a freely pivoted needle does not dip: the angle of dip is 0°.