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Which risk increases when a transistor's operating temperature rises substantially?

A)Increased reverse saturation current
B)Increased base-emitter voltage
C)Decreased collector current gain
D)Decreased band gap in insulator

💡 Explanation

Increased temperature causes greater intrinsic carrier concentration; the thermal generation of electron-hole pairs cause increased reverse saturation current because more minority carriers support unwanted conduction. Therefore, current leakage risk increases, rather than reduced gain.

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