Analog Electronics MCQs (Chapterwise Multiple Choice Questions)

Which of these is NOT a method used for doping semiconductors?

Ion Implantation

Diffusion

Etching

Epitaxy

Answer & Explanation

Correct Answer: Etching

Note: This Question is unanswered, help us to find answer for this one

In an alternating-current circuit, what is the relationship between the impedance of a resistor and the frequency of the current?

The impedance is independent of frequency.

The impedance decreases with frequency.

The impedance increases with frequency.

Answer & Explanation

Correct Answer: The impedance is independent of frequency.

Note: This Question is unanswered, help us to find answer for this one

What is the term used for a circuit in which, for a sinusoidal input with frequency f, any steady state output is also sinusoidal with frequency f?

Linear circuit

Phased circuit

Sinusoidal circuit

Phase-looped circuit

Answer & Explanation

Correct Answer: Linear circuit

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True or False: Schottky diodes have very high reverse recovery times compared to P-N diodes.

False

True

Answer & Explanation

Correct Answer: False

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Compare the currents of these two circuits: (1) a battery connected in series with four identical series resistors and (2) the same battery connected to only three of the identical series resistors.

More current flows in the circuit with four resistors.

More current flows in the circuit with three resistors.

The same amount of current flows in each of these circuits.

Answer & Explanation

Correct Answer: More current flows in the circuit with three resistors.

Note: This Question is unanswered, help us to find answer for this one

What is the ratio of a transistor’s signal output to its signal input called?

Gain

Impedance

Signal Response

Current Response

Answer & Explanation

Correct Answer: Gain

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In a series RLC alternating-current circuit, which element will dominate the reactance of the circuit when the frequency is below resonance?

the capacitor

the resistor

the inductor

Answer & Explanation

Correct Answer: the capacitor

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True or False: The ratio of visible light produced to power consumed is more for LEDs than for incandescent light bulbs.

False

True

Answer & Explanation

Correct Answer: True

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Which of the following are appropriate units for impedance?

Ohms

Radians

Z

Hertz

Answer & Explanation

Correct Answer: Ohms

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In a real op-amp, the voltage required across the input terminals to drive the output to zero is called:

common mode voltage

input offset voltage

differential

input biasing voltage

Answer & Explanation

Correct Answer: input offset voltage

Note: This Question is unanswered, help us to find answer for this one

Analog Electronics Quick Quiz

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