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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 10easy

A transistor amplifier with 85% efficiency is likely to be class ?

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Question 11easy

A class ?A amplifier is that in which

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Question 12easy

Class-A amplifier is used when

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Question 13easy

In a class-A amplifier, conduction extends over 360? because Q-point is

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Question 14easy

In a class-A amplifier, worst-case condition occurs with

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Question 15easy

The output of a class-B amplifier

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Question 16easy

The maximum overall efficiency of a transformer-coupled class-A amplifier is percent.

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Question 17easy

A class-B push-pull amplifier has the main advantage of being free from

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Question 18easy

The combined dB gain of a twocascaded voltage amplifier whose individual voltage gains are 10 and 100 is

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