Single Answer MCQ
Q-00001962
How can you observe the magnetic field lines around a bar magnet using a compass needle?
1
Place the compass parallel
2
Place the compass perpendicular
3
Rotate the compass
4
Move the compass away
Answer and Solution
Answer
B. Place the compass perpendicular
Solution:
To observe the magnetic field lines around a bar magnet using a compass needle, you should place the compass needle perpendicular to the magnet. The needle will align with the magnetic field lines, indicating their direction. Therefore, the correct answer is 'Place the compass perpendicular'.
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