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Which of the following statement about a common emitter transistor is true?

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Which of the following statement about a common emitter transistor is true?

(a) Very high input resistance

(b) High output resistance

(c) Current gain is less than unity

(d) Voltage gain is very low

The question was asked during an online interview.

This key question is from Operating Point of Transistor in portion Transistor Biasing and Low Frequencies of Analog Circuits

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Best answer
Correct choice is (b) High output resistance

The best I can explain: Common emitter transistor has high output resistance (about 40k). It has low input resistance (about 1k). Current gain is high (20 to a few hundred). Voltage gain is medium.

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