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← ScienceWhich mechanism causes current flow between capacitor plates, especially at higher AC frequencies?
A)Displacement current through changing electric field✓
B)Quantum tunneling of free flowing electrons
C)Ohmic conduction exceeding breakdown potential
D)Thermionic emission causing vacuum arc
💡 Explanation
The displacement current contributes to current flow because a changing electric field between plates generates an apparent current, therefore current flows readily at high AC frequencies, rather than relying only on free electron flow.
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