1.

Which of the following statement about a common collector transistor is true?(a) Very low input impedance(b) Very high output impedance(c) Unity current gain(d) Unity voltage gainI got this question in an interview.My doubt stems from Operating Point of Transistor topic in division Transistor Biasing and Low Frequencies of Analog Circuits

Answer»

Right OPTION is (d) Unity voltage gain

The EXPLANATION: Common COLLECTOR configuration has high INPUT impedance and low output impedance. The current gain is high but voltage gain is low, ALMOST equal to unity.



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