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Which outcome results when electrons undergo quantum tunneling across a metal-insulator-metal (MIM) junction?

A)Current flow increases exponentially.
B)Capacitance diminishes to minimum value.
C)Thermal conductivity declines linearly.
D)Work function sees predictable modulation.

💡 Explanation

When a bias voltage is applied to a MIM junction, electrons utilize quantum tunneling through the insulating layer. This increases current flow exponentially because transmission probability grows exponentially with thinner barriers; therefore, current increases exponentially rather than causing linear changes in thermal conductivity or capacitance.

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