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JAMB Physics 1992 Question 31

Question 31

Magnetism

The diagram above represents the field pattern obtained by bringing the poles of two magnets near each other. The poles must be

Diagram for this question
  1. A.N-N poles
  2. B.S-S poles
  3. C.S-N poles
  4. D.N-S poles
Show the answer and explanation

Answer: B (S-S poles)

Explanation

The lines push away from each other and leave a neutral point between the poles, so the poles are alike; the arrows point into both poles, and field lines enter at south poles.