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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 37easy

A class-C amplifier is used as a

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Question 38easy

A dc amplifier amplifiers

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Question 39easy

Which of the following class of amplifiers has the highest amount of distortion?

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Question 40easy

A large sacrifice factor in a negative feed-book amplifier leads to

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Question 41easy

Negative feedback in an amplifier

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Question 42easy

Negative feedback reduces distortion in an amplifier only when it

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Question 43easy

In a voltage shunt feedback, the input impedance is

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Question 44easy

Statement-1 Theoretical efficiency of a class-A power amplifier is 78% Statement-2 A single-ended power amplifier uses one transistor only.

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Question 45easy

Johnson noise in an amplifier is the noise produced due to

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