Single Answer MCQ
Q-00040540
What shape do magnetic field lines take around a straight current-carrying conductor?
1
Straight lines
2
Circles
3
Parallel lines
4
Random patterns
Answer and Solution
Answer
B. Circles
Solution:
Magnetic field lines around a straight current-carrying conductor take the shape of concentric circles, indicating that the field is symmetrical and exists in a plane perpendicular to the wire.
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