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Which risk increases when certain semiconductors exceed reverse voltage limits?

A)Avalanche breakdown causes excess heat
B)Increased Zener tunneling lowers current
C)Ohmic resistance drops precipitously
D)Capacitance positively affects response

💡 Explanation

Avalanche breakdown causes excess heat because high electric fields accelerate electrons, triggering impact ionization; therefore current increases drastically rather than reduced tunneling, as resistance changes happen thermally.

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