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Between the plates of a capacitor carrying an alternating current, the current is carried by

  • A.no current at all
  • B.displacement current
  • C.conduction current through the dielectric
  • D.convection current of charges crossing the gap

Answer: B

The conduction current stops at the plates and the changing electric flux between them constitutes exactly the same current, so the total is continuous round the circuit. That continuity is what the displacement current was introduced to secure.

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