A student uses two compass needles to investiga... - WAEC Physics 2018 Question
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?
A
A
B
B
C
C
D
D
correct option: b
The field direction is taken to be outward from the North pole and in to the South pole of the magnet and, they form closed lines.
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