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What is the value of overall current gain in the simplified CE hybrid model while considering RS?(a) AI × IB / IS(b) AI × IC / IS(c) AI × IS / IC(d) AI × IS / IBThe question was posed to me during an internship interview.Enquiry is from Simplified CE Hybrid Model in division Low Frequency Transistor Amplifier Circuit of Electronic Devices & Circuits |
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Answer» CORRECT choice is (a) AI × IB / IS To EXPLAIN: The current gain in a simplified common EMITTER hybrid model while considering RS is calculated as the product of current gain without external parameters and the RATIO of base current and external applied current. It is EXPRESSED as AI × IB / IS. Where, IS is the external applied current on the amplifier. |
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