Analog Electronics MCQ Questions & Answers

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Learn Analog Electronics MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Analog Electronics MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-3 section-3

Each section contains 100 MCQs on Analog Electronics .

A high gain MESFET packaged device of case-to-channel thermal resistance of the device is 4.5°C/Watt provides 8W RF output power taking 20W DC power. What will be the channel temperature of the device if the case temperature of the device maintained at 55°C?

A) 109°C B) 145°C C) 59.5°C D) 91°C

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Answer & Solution

Answer: Option A

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

What is the percentage reduction in gain of an amplifier due to introduction of 20 dB of negative feedback?

A) 100% B) 50% C) 90% D) 70%

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Answer & Solution

Answer: Option C

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

The rise time of low pass RC Circuit is given by

A) 2.2 RC B) 30.2 RC C) 10 RC D) 20.2 RC

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Answer & Solution

Answer: Option A

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

Transistor in power amplifier is . . . . . . . .

A) An active device B) A passive device C) A on-amp D) A voltage generating device

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Answer & Solution

Answer: Option A

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

Which one of the following conditions would give V_o = 0 in the circuit shown in the figure?
Analog Electronics mcq question image

A) R = R₁ + R₂ B) $${\text{R}} = \frac{{{{\text{R}}_2}}}{{{{\text{R}}_1}}}$$ C) R = R₂ - R₁ D) R = R₁||R₂

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Answer & Solution

Answer: Option D

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

For which of the following conditions, the circuit shown below will function as precision full wave rectifier?
Analog Electronics mcq question image

A) R₁ = R₂ = R B) R₁ = R₃ = R C) R₂ = 2R₁ D) R₁ = R₂ = R₃

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Answer & Solution

Answer: Option C

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

Which one of the following circuits is most suitable as an oscillator at a frequency of 100 Hz.

A) Hartley oscillator B) Colpitts oscillator C) Crystal oscillator D) Twin-T oscillator

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Answer & Solution

Answer: Option D

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An amplifier has two identical cascaded stages. Each stage has a bandwidth of 20 kHz. The overall bandwidth shall approximately be equal to

A) 10 kHz B) 12.9 kHz C) 20 kHz D) 28.3 kHz

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Answer & Solution

Answer: Option B

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

If an op-amp comparator has a gain of 100, 000, an input difference of 0.2 mV above reference, and a supply of ±12 V. The output will be:

A) 15 V B) 12 V C) 20 V D) 10 V

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Answer & Solution

Answer: Option B

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

An amplifier has a signal input voltage V_i of 0.25 V and draws 1 mA from the source. If the amplifier delivers 8 V to a load of 10 mA, the power gain is

A) 340 B) 320 C) 250 D) 150

Discuss

Answer & Solution

Answer: Option B

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

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Analog Electronics MCQ Questions & Answers | ECE