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 127easy
Closed-loop gain of a feedback amplifier is the gain obtained when
Question 128easy
A large sacrifice factor in a negative feedback amplifiers leads to
Question 129easy
Negative feedback in an amplifier
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Question 130easy
Regarding negative feedback in amplifiers which statement is WRONG?
Question 131easy
Negative feedback reduces distortion an amplifier only when it
Question 132easy
An amplifier with no feedback has a gain-band-width product of 4 MHz. Its closed-loop gain is 40. The new band-width is
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Question 133easy
The shunt-derived series-fed feedback in an amplifier
Question 134easy
A feedback amplifier has a closed gain of?200. It should not vary more than 50% despite 25% variation in amplifier gain A without feedback. The value of A is
Question 135easy
The gain of a negative feedback amplifier is 40 dB. If the attenuation of the feedback path is 50 dB, then the gain of the amplifier without feedback is