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Which outcome limits sensor precision when electrons utilize a Single-Electron Transistor (SET)?

A)Quantization of charge dominates measurements
B)Thermal expansion degrades dielectric spacing
C)Electromagnetic interference masks readings
D)Mechanical stress exceeds resonant frequency

💡 Explanation

Charge quantization fundamentally limits electron precision because the *Coulomb blockade* prevents continuous current flow; therefore, only discrete electron tunneling events contribute to the current, rather than a steady-state analytical current.

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