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BJT Amplifiers and Oscillators MCQs

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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 28easy

The main reason for the variation of amplifier gain with frequency is

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Question 29easy

If two stages of a cascaded amplifier have decibel gains of 60 and 30, then over-all gain is ? dB.

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Question 30easy

All statements regarding complementary to tempole amplifier are correct except

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Question 31easy

In amplifiers, the coupling that produces minimum interference with frequency response is

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Question 32easy

The most desirable feature of transformer coupling is its

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Question 33easy

In multistage amplifiers, direct coupling is especially suited for amplifying

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Question 34easy

Load impedance must match amplifier impedance in order that

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Question 35easy

Parasitic oscillations in amplifiers are caused by

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Question 36easy

A buffer amplifier is used for coupling purposes in RF amplifiers because it provides

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