Single Answer MCQ
Q-00019575
What best describes the magnetic field produced by a current-carrying conductor?
1
It is uniform in all directions
2
It has concentric circles around it
3
It only exists when the current is strong
4
It is static and unchanging
Answer and Solution
Answer
B. It has concentric circles around it
Solution:
A current-carrying conductor produces concentric circular magnetic field lines around it, with the direction determined by the right-hand grip rule. Other descriptions do not accurately represent the field generated by the current.
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