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What is the value of overall current gain in the CE short circuit current frequency response model while considering RS?

What is the value of overall current gain in the CE short circuit current frequency response model while considering RS? Correct Answer AI × IB / IS

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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