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Why is the silicon mostly chosen when compared to germanium?(a) low power consumption(b) high efficiency(c) greater working temperature(d) large ICBOI got this question in an international level competition.This interesting question is from The Transistor as an Amplifier in section Transistor Characteristics of Electronic Devices & Circuits

Answer»

The correct choice is (c) greater working temperature

To explain I WOULD SAY: The normal working temperature of GERMANIUM is approximately 70°C .The normal working temperature of silicon is approximately 150°C. The other advantages of using a silicon material are, it has a smaller ICBO and its VARIATIONS are smaller with temperature.



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