Single Answer MCQ
Q-00040508
What shape do the magnetic field lines take around a straight current-carrying conductor?
1
Straight lines
2
Concentric circles
3
Radial lines
4
Parallel lines
Answer and Solution
Answer
B. Concentric circles
Solution:
The correct answer is concentric circles, as the magnetic field lines around a current-carrying straight wire form concentric circles centered on the wire.
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