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← ScienceWhich outcome occurs in a resonant tunneling diode (RTD) when the applied voltage aligns energy levels?
A)Increased current flow drastically✓
B)Capacitance decreasing to zero
C)Resistance sharply increasing magnitude
D)Thermal runaway damaging device
💡 Explanation
Significant current increase happens because resonant tunneling aligns the quantum well energy levels, greatly enhancing the electron's probability of tunneling through the barriers. Therefore, current rises sharply rather than resistance increasing or thermal effects dominating, since electron transmission is maximized by resonance.
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