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The magnetic field around straight current-carrying conductor forms:

The magnetic field around straight current-carrying conductor forms:
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Circular field lines
  • B Parallel straight lines
  • C Elliptical field lines
  • D Gravitational field lines
Correct Answer: Option A
Explanation:
Magnetic field lines around straight conductor are concentric circles.

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