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Question: Answered & Verified by Expert
A wire loop of irregular shape carrying current is placed in an external magnetic field. If the wire is flexible, the shape of the loop changes to
PhysicsMagnetic Effects of CurrentAP EAMCETAP EAMCET 2023 (17 May Shift 2)
Options:
  • A helical
  • B circular
  • C straight line
  • D parabolic
Solution:
2157 Upvotes Verified Answer
The correct answer is: circular
A loop of irregular shape carrying current when placed in an external magnetic field, it assume circular shape with its plane normal to the field in order to maximum magnetic flux link with loop. This is because for a given perimeter circular encloses maximum area than any other shape.

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