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The current amplification factor ϒdc is given by_________

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The current amplification factor ϒdc is given by_________

(a) IE/IB

(b) IB/IE

(c) IC/IE

(d) IE/IC

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Query is from The Common Collector Configuration topic in portion Transistor Characteristics of Electronic Devices & Circuits

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The correct answer is (a) IE/IB

The best explanation: When no signal is applied, then the ratio of emitter current to base current is called as ϒdc of the transistor.  As the collector is common to both input and output circuits, hence the name common collector configuration.

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