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← ScienceWhich consequence result when electrons exceed a tunnel diode's valley voltage?
A)Increased quantum tunneling probability
B)Negative differential resistance region ends✓
C)Reduced electron-phonon scattering rate
D)Avalanche breakdown becomes dominant
💡 Explanation
The negative differential resistance diminishes because higher voltage reduces the **quantum tunneling** effect. Therefore, current begins to increase with voltage rather than decrease, while other effects don't dominate.
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