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Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Electronics and Communication Engineering (ECE) MCQ


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30 Questions MCQ Test GATE ECE (Electronics) Mock Test Series 2025 - Electronics And Communication - ECE 2016 GATE Paper (Practice Test)

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) for Electronics and Communication Engineering (ECE) 2024 is part of GATE ECE (Electronics) Mock Test Series 2025 preparation. The Electronics And Communication - ECE 2016 GATE Paper (Practice Test) questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Electronics And Communication - ECE 2016 GATE Paper (Practice Test) MCQs are made for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) below.
Solutions of Electronics And Communication - ECE 2016 GATE Paper (Practice Test) questions in English are available as part of our GATE ECE (Electronics) Mock Test Series 2025 for Electronics and Communication Engineering (ECE) & Electronics And Communication - ECE 2016 GATE Paper (Practice Test) solutions in Hindi for GATE ECE (Electronics) Mock Test Series 2025 course. Download more important topics, notes, lectures and mock test series for Electronics and Communication Engineering (ECE) Exam by signing up for free. Attempt Electronics And Communication - ECE 2016 GATE Paper (Practice Test) | 65 questions in 180 minutes | Mock test for Electronics and Communication Engineering (ECE) preparation | Free important questions MCQ to study GATE ECE (Electronics) Mock Test Series 2025 for Electronics and Communication Engineering (ECE) Exam | Download free PDF with solutions
Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 1

Q.1 – Q.5 Carry One Mark Each

Which of the following is CORRECT with respect to grammar and usage?
Mount Everest is ______

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 1

Before superlative article ‘the’ has to be used. ‘one of ’ the expression should take plural noun and so option ‘C’ and ‘D’ can’t be the answer.

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 2

The policeman asked the victim of a theft, “What did you ______?”

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 2

lose’ is verb.

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Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 3

Despite the new medicine’s ___________ in treating diabetes, it is not ______ widely

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 3

‘effectiveness’ is noun and ‘prescribed’ is verb. These words are apt and befitting with the word ‘medicine.’

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 4

In a huge pile of apples and oranges, both ripe and unripe mixed together, 15% are unripe fruits,
Of the unripe fruits, 45% are apples, Of the ripe ones, 66% are oranges. If the pile contains a total
of 5692000 fruits, how many of them are apples?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 4

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 5

Michael lives 10 km way from where I live. Ahmed lives 5km away and Susan lives 7 km away from where I live. Arun is farther away than Ahmed but closer than Susan from where I live. From the information provided here, what is one possible distance (in km) at which I live from Arun’s place?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 5

From given data, the following diagram is possible

AH = Ahmed lives; M = Michael lives
S = Susan lives; A= Arun lives
→ Arun lives farthes away than Ahmed means more than 5 km but closer than Susan means less than 7 km, from given alternatives, option ‘C’ only possible.

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 6

Q.6 – Q.10 Carry two marks each

Q.

A person moving through a tuberculosis prone zone has a 50% probability of becoming infected.
However, only 30% of infected people develop the disease. What percentage of people moving
through a tuberculosis prone zone remains infected but does not shows symptoms of disease?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 6

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 7

In a world filled with uncertainty, he was glad to have many good friends. He had always assisted
them in times of need and was confident that they would reciprocate. However, the events of the
last week proved him wrong.
Which of the following interference(s) is/are logically valid and can be inferred from the above
passage?
(i) His friends were always asking him to help them
(ii) He felt that when in need of help, his friends would let him down.
(iii) He was sure that his friends would help him when in need.
(iv) His friends did not help him last week.

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 7

The words ‘was confident that they would reciprocate’ and ‘last week proved him wrong’ lead to statements iii and iv as logically valid inferences.

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 8

Leela is older than her cousin Pavithra, pavithra’s brother Shiva is older than Leela. When Pavithra
and shiva are visiting Leela, all three like to play chess. Pavithra wins more often than Leela does.
Which one of the following statements must be TRUE based on the above?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 8

From given data, the following arrangement is possible
Shiva
Leela
Pavithra
Among four alternatives, option D is TRUE.

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 9

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 9

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 10

P,Q,R and S are working on a project. Q can finish the taks in 25 days, working alone for 12 hours a day. R can finish the task in 50 days, working alone for 12 hours per day. Q worked 12 hours a day but took sick leave in the beginning for two days. R worked 18 hours a day on all days. What is the ratio of work done by Q and R after 7 days from the start of the project?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 10

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 11

Q.11 – Q.35 Carry one mark each.

Q. Let M4 = I (where I denotes the identity matrix)and M ? I, M2 ? I and M3 ? I. Then, for any
natural number k, M–1 equals:

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 11

M4 = I
M8 = M4 = I M7 = M-1
M12 = M8 = I M11 = M-1
M16 = M12 = I M15 = M-1
…………………..
M-1 = M4K+ 3, K is a natural number

*Answer can only contain numeric values
Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 12

The second moment of a Poisson-distributed random variables is 2. The mean of the random variable is _____.


Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 12

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 13

Given the following statements about a function f: R→R, select the right option:
P : If f(x) is continuous at x = x0, then it is also differentiable at x = x0
Q : If f(x) is continuous at x = x0, then it may not be differentiable at x = x0
R : If f(x) is continuous at x = x0, then it is also different at x = x0

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 13

Since continuous function may not be differentiable. But differentiable function is always continuous.

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 14

Which one of the following is a property of the solutions to the Laplace equation : 

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 15

Consider the plot of f(x) versus x as shown below

Suppose which one of the following is a graph of F(x)?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 15

integration of ramp is parabolic, integration of step is ramp.

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 16

Which one of the following is an eigen function of the class of all continuous-time, linear, timeinvariant
systems (u(t) denotes the unit-step function) ?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 16

If the input to a system is its eigen signal, the response has the same form as the eigen signal

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 17

A continuous –time function x(t) is periodic with period T. The function is sampled uniformly with
a sampling period Ts. In which one of the following cases is the sampled signal periodic ?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 17

A discrete time signal  is said to be periodic if  is a rational number

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 18

Consider the sequence x[n] = an u[n] +bn u[n], where u[n] denotes the until-step sequence and 0 <
|a| < |b| <1. The region of convergence (ROC) of the z-transform of x[n] is

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 18

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 19

Consider a two-port network with the transmission matrix :   If the network is
reciprocal, then

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 19

A two port network is reciprocal in transmission parameters if AD – BC = 1
i.e Determinant(T) = 1

*Answer can only contain numeric values
Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 20

A continuous-time sinusoid of frequency 33 Hz is multiplie with a periodic Dirac impulse train of
frequency 46 Hz. The resulting signal is passed through an ideal analog low-pass filter with a
cutoff frequency of 23Hz. The functional frequency (in Hz) of the output is _____.


Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 20

fm = 33Hz, fs = 46Hz
The frequency in sampled signal are = 33, 13, 79, 59, 125 …… The above frequencies are passed
to a LPF of cutoff frequency 23Hz. The output frequency are = 13Hz.

 

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 21

A small percentage of impurity is added to intrinsic semiconductor at 300 K. Which one of the
following statements is true for the energy band diagram shown in the following figure?

 

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 21

Donor energy level close to conduction band.

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 22

Consider the following statements for a metal oxide semiconductor field after effect transistor
(MOSFET):
P : As channel length reduces, OFF-state current increases
Q : As channel length reduces, output resistance increases
R : As channel length reduces, threshold voltage remains constant
S: As channel reduces, ON current increases.
Which of the above statements are INCORRECT?

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 22

P: TRUE
Q: FALSE, As channel length reduces, output resistance reduces
R: FALSE: As channel length reduces, threshold voltage reduces
S: TRUE

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 23

Consider the constant current source shown in the figure below. Let ? represent the current gain of
the transistor

The load current I0 through RL is

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 23

*Answer can only contain numeric values
Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 24

The following signal Vi of peak voltage 8V is applied to the non-inverting terminal of an ideal
Opamp. The transistor has VBE = 0.7 V, β = 100; VLED = 1.5V, VCC = 10V and –VCC = – 10V.

 

The number of times the LED glows is –––––

 


Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 24

Vcrosses 2V, 3times
Therefore the LED glows 3 times

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 25

Consider the oscillator circuit shown in the figure. The function of the network (shown in dotted
lines) consisting of the 100 k? resistor in series with the two diodes connected back-to-back is to:

 

 

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 25

The circuit shown is a wein bridge oscillator. The amplitude of oscillations can be determined and stabilized by using a nonlinear control network. As the oscillations grow, the diodes start to conduct causing the effective resistance in the feedback to decrease. Equilibrium will be reached at the output amplitude that causes the loop gain to be exactly unity.

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 26

The block diagram of a frequency synthesizer consisting of Phase Locked Loop (PLL) and a
divide-by-N counter (comprising /2, /4, /8, /16 outputs) is sketched below. The synthesizer is
excited with a 5 kHz signal (Input 1). The free-running frequency of the PLL is set to 20kHz.
Assume that the commutator switch makes contacts repeatedly in the order 1-2-3-4.

The corresponding frequencies synthesized are:

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 26

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 27

The output of the combinational circuit given below is

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 27

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 28

What is the voltage Vout in the following circuit?

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 29

Match the inferences X, Y, and Z, about a system, to the corresponding properties of the elements
of first column in Routh’s Table of the system characteristic equation.
X: The system is stable …..                   P: … When all elements are positive
Y: The system is unstable …                Q: … When any on element is zero
Z: The test breaks down ….                  R: … When there is a change in sign of coefficients

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 29

X - P, Y - R, Z -Q

Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 30

A closed-loop control system is stable if the Nyquist plot of the corresponding open-loop transfer
function

Detailed Solution for Electronics And Communication - ECE 2016 GATE Paper (Practice Test) - Question 30

For closed loop stability Z = 0, N = P
(-1, j0) should be encircled in Counter clock wise direction equaling P poles in RHP.

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