Single Answer MCQ
Q-00001744
What is the direction of deflection of the north pole of a compass needle when current flows from north to south through a copper wire?
1
Towards the wire
2
Away from the wire
3
Towards the north pole
4
Away from the north pole
Answer and Solution
Answer
B. Away from the wire
Solution:
When current flows from north to south through a copper wire, the north pole of a compass needle deflects away from the wire. This deflection direction follows the right-hand rule for magnetic fields. Therefore, the correct answer is 'Away from the wire'.
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