BJT Amplifiers and Oscillators MCQs
Practice free BJT Amplifiers and Oscillators multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 446 questions — no login required.
Question 235easy
When power output off an amplifier doubles, the increase in its power level is
Question 236easy
Which of the following statements is incorrect regarding improvements obtained by used negative voltage feedback?
Question 237easy
An amplifier's rise time is 200 ns. Its upper 3-dB frequency is
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Question 238easy
Which of the following will happen if the emitter resistance Re in a transistor amplifier is removed?
Question 239easy
In a transistor amplifier in order to make Q-point independent of variation in 13, it necessary to make
Question 240easy
Current stability of a common collector amplifier can be increased by
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Question 241easy
In cascading which of the following configurations is normally used?
Question 242easy
An amplifier has a voltage gain of 50; this gain in dB will be
Question 243easy
The gain of an amplifier will be more affected by change in transistor parameters in case of feedback.