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← ScienceWhich risk increases significantly when applying reverse bias to semiconductors?
A)Avalanche breakdown damages the structure✓
B)Zener tunneling creates high current
C)Ohmic loss diminishes efficiency badly
D)Transistor saturation stops all transistor actions
💡 Explanation
Avalanche breakdown damages the gate oxide integrity because impact ionization increases exponentially in depletion region; therefore, substantial reverse current leads to permanent damage rather than controlled Zener behavior under lower voltages.
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