Physics · Magnetic Effects of Current
A straight wire carrying a current (I) is turned into a circular loop. If the magnitude of the magnetic moment associated with it is 'M', then the length of the wire will be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14πMI
- 2[4MπI]12✓
- 3[4πIM]12
- 4Mπ4I
Correct answer
[4MπI]12
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