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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 415easy

An amplifier's overall voltage-gain is almost the same as the transistor's voltage gain provided, the configuration that is likely to provide this is

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Question 416easy

A common-collector stage has input and output impedances of 1 MO and 10 kL respectively. Its current gain is

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Question 417easy

In a wideband amplifier

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Question 418easy

Lowering the lower 3 dB frequency may result in

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Question 419easy

Low frequency response of amplifiers is mainly limited by

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Question 420easy

Low frequency response of a cascaded CE-amplifier consisting of two identical stages

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Question 421easy

High frequency response of an amplifier can be determined from

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Question 422easy

Two CE amplifier stages have a lower 3 dB frequency of 30 Hz each. When cascaded together, the lower 3 dB frequency of overall amplifier is

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Question 423easy

a-cut off frequency is the one

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