Analog Electronics MCQ Questions & Answers

Analog Electronics MCQ Questions & Answers | ECE

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-1 section-2

For a full wave rectifier, with sinusoidal input and inductor as filter, ripple factor for maximum load current and minimum load current conditions are respectively

A) 0.1 and 1 B) 0.1 and 0.47 C) 0 and 0.47 D) 0 and 0.22

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Answer & Solution

Answer: Option C

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If C₁ = 200 pF, C₂ = 50 pF in Colpitts oscillator and frequency is 1 MHz, then what is the value of inductance required?

A) 1.25 mH B) 0.6332 mH C) 0.782 mH D) 0.432 mH

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Answer: Option B

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The circuit shown in the figure is a
Analog Electronics mcq question image

A) positive clamper B) negative clamper C) positive clipper D) negative clipper

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Answer: Option A

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In the circuit shown in the figure, if R_L = R_C = 1 kΩ, then the value of V₀ will be
Analog Electronics mcq question image

A) 4.55 V B) 2.5 V C) 1 V D) zero

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Answer: Option B

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Consider an n-channel MOSFET with parameters K_n = 0.25 mA/V², V_TN = 1 V, λ = 0, C_gd = 0.04 pF and C_gs = 0.2 pF
If the transistor is biased at V_GS = 3 V, the unity gain bandwidth of an FET will be

A) 626 MHz B) 646 MHz C) 663 MHz D) 683 MHz

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Answer: Option C

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In the circuit shown below what is the output voltage (V_out) if a silicon transistor Q and an ideal op-amp are used?
Analog Electronics mcq question image

A) -15 V B) -0.7 V C) +0.7 V D) +15 V

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Answer: Option B

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Consider a 565 PLL with R_T = 10 kΩ and C_T = 0.01 µF. what is the output frequency of the VCO?

A) 10 kHz B) 5 kHz C) 2.5 kHz D) 1.25 kHz

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Answer: Option C

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The op-amp circuit shown in the figure is a filter. The type of filter and its cut-off frequency are respectively
Analog Electronics mcq question image

A) High pass, 1000 rad/sec B) Low pass, 1000 rad/sec C) High pass, 10000 rad/sec D) Low pass, 10000 rad/sec

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Answer: Option A

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In differential-mode, . . . . . . . .

A) Opposite polarity signals are applied to the inputs B) The gain is one C) The outputs are of different amplitudes D) Only one supply voltage is used

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Answer: Option A

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In a practical oscillator circuit, which one of the following limits the amplitude of the oscillations?

A) Onset of non-linearity B) Power supply voltage C) Oscillation frequencies D) Temperature of the active device

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Answer: Option A

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