πŸ“Š Physics
Q. Magnetic field lines about a current-carrying wire
  • (A) Circle the wire in closed loops
  • (B) Extend radially from the wire
  • (C) Both of these
  • (D) None of the above
βœ… Correct Answer: (A) Circle the wire in closed loops

Explanation: Magnetic field lines about a current-carrying wire circle the wire in closed loops.

Explanation by: Team MCQ Buddy
Magnetic field lines about a current-carrying wire circle the wire in closed loops.

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