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Class 10 Science Medium Mcq English Medium

If a current-carrying straight wire is viewed along its length, its magnetic field lines appear as

Question
If a current-carrying straight wire is viewed along its length, its magnetic field lines appear as
concentric circles
parallel vertical lines
radial arrows only
a single straight line
Answer
concentric circles
Detailed Explanation
The field around the wire consists of concentric circles centred on the conductor. — Examisthan.com
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