CE amplifier - Gain & resistance

Q.  Which among the below assertions is not a salient feature/ property of CE amplifier?
- Published on 23 Sep 15

a. High voltage gain
b. High current gain
c. High input resistance
d. High output resistance

ANSWER: High output resistance

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    Discussion

  • Satyawati   -Posted on 29 Sep 15
    CE amplifiers is absolutely high in terms of voltage gain,current gain and input resistance but it has low output resistance.
    The collector resistor (Rc) performs the function of controlling the collector current. Input and emitter resistors are adopted for biasing of transistor in an active region so that it becomes feasible for the transistor to operate as an amplifier.
    Due to high current gain at the output of RC coupled CE amplifier, the resistance level at the output is very low.

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