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The relation between α and β is _________(a) β=α/(1-α)(b) α= β/(1+β)(c) β=α/(1+α)(d) α= β/(1- β)I have been asked this question in an international level competition.This intriguing question comes from The Common Base Configuration in division Transistor Characteristics of Electronic Devices & Circuits |
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Answer» RIGHT choice is (b) α= β/(1+β) To elaborate: β is an ac base AMPLIFICATION factor. α is CALLED as current amplification factor. The relation of IC and IB change as IC= βIB+ (1+ β)ICBO. |
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