MCQ
Consider a current carrying wire $($current $I)$ in the shape of a circle.
  • A
    Source of emf.
  • Electric field produced by charges accumulated on the surface of wire.
  • C
    The charges just behind a given segment of wire which push them just the right way by repulsion.
  • D
    The charges ahead.

Answer

Correct option: B.
Electric field produced by charges accumulated on the surface of wire.

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