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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 424easy

n-cut off frequency is defined

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Question 425easy

Gain bandwidth product of an amplifier

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Question 426easy

High frequency response of an amplifier is very well expressed by one of the following expressions (n is no. of stages)

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Question 427easy

A CE amplifier has an upper 3 dB frequency of 20 kHz. If two such stages are cascaded together, overall upper-3 dB frequency becomes

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Question 428easy

Bandwidth of amplifier A CE amplifier has an upper 3 dB frequency of 20 kHz. If two such stages are cascaded together is

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Question 429easy

Bandwidth of an audio amplifier is

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Question 430easy

High frequency response of a transformer coupled amplifier is generally limited by

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Question 431easy

Low frequency response of a transformer coupled amplifier is limited by

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Question 432easy

For a negative fedback amplirier, gain with feedback (Avf) is related to gain without feedback (Ax) by

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