WAEC Physics 2018 Objective — Question 45
Question 45 of 50 from the West African Examinations Council (WAEC) Physics 2018 Objective paper, with the correct answer and a full explanation.
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A student uses two compass needles to investigate the magnetic field around a bar magnet. Which of the following diagrams shows the correct directions of the needles?
- A. Diagram A
- B. Diagram BCorrect
- C. Diagram C
- D. Diagram D
Explanation
The compass needles should align tangentially along the field lines, pointing from the north to the south pole of the bar magnet, as shown in the correct diagram option.
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