A student uses two compass needles to investigate the magnetic field around a bar magnet. Which of the following diagrams show the correct directions of the needles?

By: |Published on: Jan 23|Categories: Physics WAEC| 0 comments

A. A
B. B
C. C
D. D

Correct Answer: Option B

Explanation

By convention, the field direction is taken to be outward from the North pole and into the South pole of the magnet. Also, they form closed lines.

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