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← ScienceWhich outcome occurs when gallium arsenide tunnel diodes have excessive voltage?
A)Increased electron-hole recombination rate
B)Suppressed quantum tunneling current✓
C)Augmented piezoelectric crystal vibration
D)Elevated thermal carrier injection
💡 Explanation
Increased voltage flattens the energy bands therefore reducing available states, which suppresses quantum tunneling because fewer electrons can successfully tunnel. Reduced tunneling, rather than increased, occurs therefore limiting current flow rather than increasing it.
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