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← ScienceWhich consequence results when excess electron flow overwhelms a photodiode?
A)Increased thermal runaway resistance
B)Electron avalanche multiplication initiates✓
C)Enhanced dopant barrier resistivity
D)Lowered quantum mechanical confinement
💡 Explanation
Electron flow leading to avalanche occurs because increased bias accelerates electrons, initiating impact ionization; therefore, carrier multiplication increases, rather than confinement changes, different resistance, or thermal stability, which affect other modes, like dark current.
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