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← ScienceWhich phenomenon limits the minimum size of transistors?
A)Quantum tunneling of charge carriers✓
B)Joule heating induced channel degradation
C)Electromigration between metal interconnects
D)Capacitive coupling between adjacent wires
💡 Explanation
Quantum tunneling prevents further miniaturization in transistors because electrons can pass through increasingly thin gate oxides, even without sufficient voltage. Therefore, leakage occurs, rather than proper transistor switching, caused by classical current flow.
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