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← ScienceWhich 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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