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Previous year question hub

Diodes, Amplifiers and Operational Amplifiers - Analog and Digital Electronics - Electrical Engineering Previous Year Questions

Practice Diodes, Amplifiers and Operational Amplifiers - Analog and Digital Electronics - Electrical Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

26Papers
19Years
83Questions
1Topics

Diodes, Amplifiers and Operational Amplifiers question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

Medium 71 85.5%
Easy 11 13.3%
Hard 1 1.2%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

MCQ 66 79.5%
Numerical Answer Type (NAT) 14 16.9%
MSQ 3 3.6%

Subject weightage

Top subjects by unique question coverage.

Electrical Engineering
83 Qs

Most asked topics

Top topics across the included previous year papers.

Analog and Digital Electronics
83 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Diodes, Amplifiers and Operational Amplifiers
83 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Electrical Engineering (EE) 2026
3 Qs
Electrical Engineering (EE) 2025
3 Qs
Electrical Engineering (EE) 2024
3 Qs
Electrical Engineering (EE) 2023
3 Qs
Electrical Engineering (EE) 2022
5 Qs
Electrical Engineering (EE) 2021
4 Qs
Electrical Engineering (EE) 2020
3 Qs
Electrical Engineering (EE) 2019
4 Qs
Electrical Engineering (EE) 2018
2 Qs
Electrical Engineering (EE) 2017 [Session 1]
3 Qs
Electrical Engineering (EE) 2017 [Session 2]
2 Qs
Electrical Engineering (EE) 2016 [Session 1]
1 Qs
Electrical Engineering (EE) 2016 [Session 2]
1 Qs
Electrical Engineering (EE) 2014 [Session 2]
3 Qs
Electrical Engineering (EE) 2014 [Session 1]
2 Qs
Electrical Engineering (EE) 2014 [Session 3]
2 Qs
Electrical Engineering (EE) 2013 [Session 3]
6 Qs
Electrical Engineering (EE) 2013 [Session 1]
5 Qs
Electrical Engineering (EE) 2013 [Session 2]
5 Qs
Electrical Engineering (EE) 2013 [Session 4]
4 Qs
Electrical Engineering (EE) 2012
3 Qs
Electrical Engineering (EE) 2011
2 Qs
Electrical Engineering (EE) 2010
3 Qs
Electrical Engineering (EE) 2009
4 Qs
Electrical Engineering (EE) 2008
4 Qs
Electrical Engineering (EE) 2007
3 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper nameYearPDFAttempt
Electrical Engineering (EE) 20262026
3 questions in this view		2026
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20252025
3 questions in this view		2025
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20242024
3 questions in this view		2024
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20232023
3 questions in this view		2023
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20222022
5 questions in this view		2022
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20212021
4 questions in this view		2021
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Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20202020
3 questions in this view		2020
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Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20192019
4 questions in this view		2019
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Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20182018
2 questions in this view		2018
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Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2017 [Session 1]2017
3 questions in this view		2017
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2017 [Session 2]2017
2 questions in this view		2017
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Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2016 [Session 1]2016
1 questions in this view		2016
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Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2016 [Session 2]2016
1 questions in this view		2016
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2014 [Session 1]2014
2 questions in this view		2014
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2014 [Session 2]2014
3 questions in this view		2014
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2014 [Session 3]2014
2 questions in this view		2014
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2013 [Session 1]2013
5 questions in this view		2013
ExamElite PDFs
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2013 [Session 2]2013
5 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2013 [Session 3]2013
6 questions in this view		2013
ExamElite PDFs
ExamElite solutions
Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 2013 [Session 4]2013
4 questions in this view		2013
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20122012
3 questions in this view		2012
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20112011
2 questions in this view		2011
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Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20102010
3 questions in this view		2010
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20092009
4 questions in this view		2009
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20082008
4 questions in this view		2008
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Official documents
Official question paperOriginal authority-issued PDF Official Download
Electrical Engineering (EE) 20072007
3 questions in this view		2007
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Official documents
Official question paperOriginal authority-issued PDF Official Download

All Diodes, Amplifiers and Operational Amplifiers previous year questions

Practice every matching question in batches of 20, with every available option.

1
2007 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2007

The circuit shown in the figure is

Question diagram

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2
2007 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2007
The input signal \(V_{in}\) shown in the figure is a 1 kHz square wave voltage that alternates between +7V and -7V with a 50% duty cycle. Both transistors have the same current gain, which is large. The circuit delivers power to the load resistor \(R_L\). What is the efficiency of this circuit for the given input? Choose the closest answer.
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3
2007 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2007
The switch S in the circuit of the figure is initially closed. It is opened at time \(t = 0\). You may neglect the Zener diode forward voltage drops. What is the behaviour of \(V_{OUT}\) for \(t > 0\)?
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4
2008 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2008
The equivalent circuits of a diode, during forward biased and reverse biased conditions, are shown in the figure. If such a diode is used in clipper circuit of figure given above, the output voltage ($v_o$) of the circuit will be
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5
2008 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2008
Two perfectly matched silicon transistors are connected as shown in the figure. Assuming the \( \beta \) of the transistors to be very high and the forward voltage drop in diodes to be 0.7V, the value of current I is
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6
2008 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2008
In the voltage doubler circuit shown in the figure, the switch ‘S’ is closed at \( t = 0 \). Assuming diodes \( D_1 \) and \( D_2 \) to be ideal, load resistance to be infinite and initial capacitor voltages to be zero, the steady state voltage across capacitors \( C_1 \) and \( C_2 \) will be
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7
2008 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2008

The block diagrams of two types of half wave rectifiers are shown in the figure. The transfer characteristics of the rectifiers are also shown within the block. It is desired to make full wave rectifier using above two half-wave rectifiers. The resultant circuit will be

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8
2009 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2009

The nature of feedback in the opamp circuit shown is

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9
2009 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2009
Transformer and emitter follower can both be used for impedance matching at the output of an audio amplifier. The basic relationship between the input power \(P_{in}\) and output power \(P_{out}\) in both the cases is
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10
2009 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2009

The equivalent capacitance of the input loop of the circuit shown is

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11
2009 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2009

An ideal opamp circuit and its input waveform are shown in the figures. The output waveform of this circuit will be

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12
2010 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2010
Given that the op-amp is ideal, the output voltage V_0 is
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13
2010 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2010
Assuming that the diodes in the given circuit are ideal, the voltage V_0 is
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14
2010 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2010
The transistor circuit shown uses a silicon transistor with VBE = 0.7 V, IC = IE and a dc current gain of 100. The value of VE is

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15
2011 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2011
The transistor used in the circuit shown below has a \(\beta\) of 30 and \(I_{CBO}\) is negligible. If the forward voltage drop of diode is 0.7 V, then the current through collector will be

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16
2011 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2011
A clipper circuit is shown below.
Assuming forward voltage drops of the diodes to be 0.7 V, the input-output transfer characteristics of the circuit is

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17
2012 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2012

The impedance looking into nodes 1 and 2 in the given circuit is

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18
2012 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2012
The i-v characteristics of the diode in the circuit given below are \[i = \begin{cases}\frac{v-0.7}{500} \text{ A}, & v \geq 0.7 \text{ V} \\ 0 \text{ A}, & v < 0.7 \text{ V}\end{cases}\] The current in the circuit is
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19
2012 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2012
The voltage gain A_v of the circuit shown below is
(A) |A_v| ≈ 200
(B) |A_v| ≈ 100
(C) |A_v| ≈ 20
(D) |A_v| ≈ 10

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20
2013 · Electrical Engineering · Analog and Digital Electronics · Diodes, Amplifiers and Operational Amplifiers
Electrical Engineering (EE) 2013 [Session 1]
In the circuit shown below what is the output voltage (Vout) in Volts if a silicon transistor Q and an ideal op-amp are used?
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