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A transistor is connected in CE configuration. Collector supply voltage Vcc=10V, RL=800Ω, voltage drop across RL=0.8V, α=0.96. What is base current?(a) 41.97µA(b) 56.78µA(c) 67.67µA(d) 78.54µAThe question was posed to me in final exam.This intriguing question comes from The Common Emitter Configuration in division Transistor Characteristics of Electronic Devices & Circuits |
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Answer» CORRECT CHOICE is (a) 41.97µA The EXPLANATION: Here, IC=0.8/800=1mA β= α/ (1-α)=0.96/1-0.96=24. Now, IB=IC/ β=1/24=41.67µA. |
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