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← ScienceWhich outcome results upon exceeding silicon crystal's Zener breakdown voltage?
A)Avalanche multiplication dominates the reverse current✓
B)Increased forward bias decreases junction width
C)Thermal runaway self-limits gate usage
D)Crystal lattice vibrations produce phonon losses
💡 Explanation
Avalanche multiplication occurs due to high electric fields within the crystal causing impact ionization; because minority carriers gain sufficient energy from this field, multiple electron-hole pairs are generated. Therefore, current multiplies rapidly, rather than simple thermal generation because impact ionization dominates.
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