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Previous year question hub

Networks, Signals and Systems - Electronics & Communication Engineering Previous Year Questions

Practice Networks, Signals and Systems - Electronics & Communication Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

30Papers
20Years
388Questions
1Topics

Networks, Signals and Systems 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 232 59.8%
Easy 141 36.3%
Hard 15 3.9%

Question type distribution

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

MCQ 292 75.3%
Numerical Answer Type (NAT) 67 17.3%
MSQ 15 3.9%
Fill in the blanks 14 3.6%

Subject weightage

Top subjects by unique question coverage.

Electronics & Communication Engineering
388 Qs

Most asked topics

Top topics across the included previous year papers.

Networks, Signals and Systems
388 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Time and frequency domain analysis of linear circuits
118 Qs
Circuit Analysis
100 Qs
Discrete-time Signals
64 Qs
LTI systems
59 Qs
Continuous-time Signals
47 Qs

Paper coverage

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

Electronics and Communication Engineering (EC) 2026
13 Qs
Electronics & Communication Engineering (EC) 2025
11 Qs
Electronics & Communication Engineering (EC) 2024
14 Qs
Electronics & Communication Engineering (EC) 2023
20 Qs
Electronics & Communication Engineering (EC) 2022
13 Qs
Electronics & Communication Engineering (EC) 2021
11 Qs
Electronics & Communication Engineering (EC) 2020
12 Qs
Electronics & Communication Engineering (EC) 2019
11 Qs
Electronics & Communication Engineering (EC) 2018
11 Qs
Electronics & Communication Engineering (EC) 2017 [Session 1]
12 Qs
Electronics & Communication Engineering (EC) 2017
11 Qs
Electronics & Communication Engineering (EC) 2017 [Session 2]
11 Qs
Electronics & Communication Engineering (EC) 2016 [Session 3]
11 Qs
Electronics & Communication Engineering (EC) 2016 [Session 1]
7 Qs
Electronics & Communication Engineering (EC) 2016 [Session 2]
7 Qs
Electronics & Communication Engineering (EC) 2015 [Session 2]
1 Qs
Electronics & Communication Engineering (EC) 2014 [Session 4]
16 Qs
Electronics & Communication Engineering (EC) 2014 [Session 1]
10 Qs
Electronics & Communication Engineering (EC) 2014 [Session 2]
6 Qs
Electronics & Communication Engineering (EC) 2014 [Session 3]
3 Qs
Electronics & Communication Engineering (EC) 2013 [Session 3]
21 Qs
Electronics & Communication Engineering (EC) 2013 [Session 2]
20 Qs
Electronics & Communication Engineering (EC) 2013 [Session 4]
19 Qs
Electronics & Communication Engineering (EC) 2013 [Session 1]
17 Qs
Electronics & Communication Engineering (EC) 2012
15 Qs
Electronics & Communication Engineering (EC) 2011
15 Qs
Electronics & Communication Engineering (EC) 2010
17 Qs
Electronics & Communication Engineering (EC) 2009
17 Qs
Electronics & Communication Engineering (EC) 2008
21 Qs
Electronics & Communication Engineering (EC) 2007
15 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Included previous year papers

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

Paper nameYearPDFAttempt
Electronics and Communication Engineering (EC) 20262026
13 questions in this view
2026
Electronics & Communication Engineering (EC) 20252025
11 questions in this view
2025
Electronics & Communication Engineering (EC) 20242024
14 questions in this view
2024
Electronics & Communication Engineering (EC) 20232023
20 questions in this view
2023
Electronics & Communication Engineering (EC) 20222022
13 questions in this view
2022
Electronics & Communication Engineering (EC) 20212021
11 questions in this view
2021
Electronics & Communication Engineering (EC) 20202020
12 questions in this view
2020
Electronics & Communication Engineering (EC) 20192019
11 questions in this view
2019
Electronics & Communication Engineering (EC) 20182018
11 questions in this view
2018
Electronics & Communication Engineering (EC) 20172017
11 questions in this view
2017
Electronics & Communication Engineering (EC) 2017 [Session 1]2017
12 questions in this view
2017
Electronics & Communication Engineering (EC) 2017 [Session 2]2017
11 questions in this view
2017
Electronics & Communication Engineering (EC) 2016 [Session 1]2016
7 questions in this view
2016
Electronics & Communication Engineering (EC) 2016 [Session 2]2016
7 questions in this view
2016
Electronics & Communication Engineering (EC) 2016 [Session 3]2016
11 questions in this view
2016
Electronics & Communication Engineering (EC) 2015 [Session 2]2015
1 questions in this view
2015
Electronics & Communication Engineering (EC) 2014 [Session 1]2014
10 questions in this view
2014
Electronics & Communication Engineering (EC) 2014 [Session 2]2014
6 questions in this view
2014
Electronics & Communication Engineering (EC) 2014 [Session 3]2014
3 questions in this view
2014
Electronics & Communication Engineering (EC) 2014 [Session 4]2014
16 questions in this view
2014
Electronics & Communication Engineering (EC) 2013 [Session 1]2013
17 questions in this view
2013
Electronics & Communication Engineering (EC) 2013 [Session 2]2013
20 questions in this view
2013
Electronics & Communication Engineering (EC) 2013 [Session 3]2013
21 questions in this view
2013
Electronics & Communication Engineering (EC) 2013 [Session 4]2013
19 questions in this view
2013
Electronics & Communication Engineering (EC) 20122012
15 questions in this view
2012
Electronics & Communication Engineering (EC) 20112011
15 questions in this view
2011
Electronics & Communication Engineering (EC) 20102010
17 questions in this view
2010
Electronics & Communication Engineering (EC) 20092009
17 questions in this view
2009
Electronics & Communication Engineering (EC) 20082008
21 questions in this view
2008
Electronics & Communication Engineering (EC) 20072007
15 questions in this view
2007

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2007 · Electronics & Communication Engineering · Networks, Signals and Systems · Circuit Analysis
Electronics & Communication Engineering (EC) 2007
An independent voltage source in series with an impedance \(Z_s = R_s + jX_s\) delivers a maximum average power to a load impedance \(Z_L\) when
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2
2008 · Electronics & Communication Engineering · Networks, Signals and Systems · Circuit Analysis
Electronics & Communication Engineering (EC) 2008

In the following graph, the number of trees (P) and the number of cut-sets (Q) are

Question diagram

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3
2009 · Electronics & Communication Engineering · Networks, Signals and Systems · Continuous-time Signals
Electronics & Communication Engineering (EC) 2009
The Fourier series of a real periodic function has only
P. cosine terms if it is even
Q. sine terms if it is even
R. cosine terms if it is odd
S. sine terms if it is odd
Which of the above statements are correct ?
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4
2010 · Electronics & Communication Engineering · Networks, Signals and Systems · Continuous-time Signals
Electronics & Communication Engineering (EC) 2010

The trigonometric Fourier series for the waveform f(t) shown below contains

Question diagram

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5
2011 · Electronics & Communication Engineering · Networks, Signals and Systems · Time and frequency domain analysis of linear circuits
Electronics & Communication Engineering (EC) 2011
The differential equation \(100\frac{d^2y}{dt^2} - 20\frac{dy}{dt} + y = x(t)\) describes a system with an input \(x(t)\) and an output \(y(t)\). The system, which is initially relaxed, is excited by a unit step input. The output \(y(t)\) can be represented by the waveform
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6
2012 · Electronics & Communication Engineering · Networks, Signals and Systems · Circuit Analysis
Electronics & Communication Engineering (EC) 2012
In the following figure, \(C_1\) and \(C_2\) are ideal capacitors. \(C_1\) has been charged to 12 V before the ideal switch S is closed at \(t = 0\). The current \(i(t)\) for all t is
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