Multistage Transistor Amplifiers MCQ Questions & Answers

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Learn Multistage Transistor Amplifiers MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Multistage Transistor Amplifiers MCQ question is the important chapter for a Electrical Engineering and GATE students. Page-3 section-1

1 db corresponds to ___________ change in power level

A) 50% B) 35% C) 26% D) 22%

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

An amplifier receives 0.1 W of input signal and delivers 15 W of signal power. What is the power gain in db?

A) 8 db B) 6 db C) 5 db D) 4 db

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The final stage of a multistage amplifier uses ___________

A) RC coupling B) Transformer coupling C) Direct coupling D) Impedance coupling

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In obtaining the frequency response curve of an amplifier, the ___________

A) Amplifier level output is kept constant B) Amplifier frequency is held constant C) Generator frequency is held constant D) Generator output level is held constant

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

If a three-stage amplifier has individual stage gains of 10 db, 5 db and 12 db, then total gain in db is ___________

A) 600 db B) 24 db C) 14 db D) 27 db

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In RC coupling, the value of coupling capacitor is about ___________

A) 100 pF B) 0.1 µF C) 0.01 µF D) 10 µF

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Answer & Solution

Answer: Option D

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The ear is not sensitive to ___________

A) Frequency distortion B) Amplitude distortion C) Frequency as well as amplitude distortion D) None of the above

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Answer & Solution

Answer: Option A

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RC coupling is generally confined to low power applications because of

A) Large value of coupling capacitor B) Low efficiency C) Large number of components D) None of the above

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

___________ coupling provides the maximum voltage gain

A) RC B) Transformer C) Direct D) Impedance

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The output of a microphone is rated at -52 db. The reference level is 1V under specified conditions. What is the output voltage of this microphone under the same sound conditions?

A) 3 mV B) 2 mV C) 8 mV D) 5 mV

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Multistage Transistor Amplifiers MCQ Questions & Answers | Electrical Engineering