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Which resulting behavior occurs when electrode spacing approaches electron de Broglie wavelength?

A)Quantum tunneling becomes increasingly dominant
B)Ohmic resistance linearly increases
C)Thermionic emission rapidly declines
D)Capacitive reactance proportionally declines

💡 Explanation

Enhanced quantum tunneling emerges because reduced geometries cause the electron's wave properties become significant; therefore electrons can transition across classically-forbidden regions, rather than being confined by resistance, thermionic ejection, or capacitive effects under those geometric conditions.

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