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Sample GATE Mock Test - Electronics & Communication (EC) - GATE MCQ


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30 Questions MCQ Test - Sample GATE Mock Test - Electronics & Communication (EC)

Sample GATE Mock Test - Electronics & Communication (EC) for GATE 2024 is part of GATE preparation. The Sample GATE Mock Test - Electronics & Communication (EC) questions and answers have been prepared according to the GATE exam syllabus.The Sample GATE Mock Test - Electronics & Communication (EC) MCQs are made for GATE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Sample GATE Mock Test - Electronics & Communication (EC) below.
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Sample GATE Mock Test - Electronics & Communication (EC) - Question 1

Question 1 to 5 carry One Mark each

Q.

Even as the ________else where in the world are struggling, to come out of recession, Indian consumers are splurging on consumer goods and to ____________this growth, companies are investing heavily in various sectors.

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 1

As we can say that ,
The correct word is filled in the above given sentence :-
Even as the economies elsewhere in the world are struggling to come out of recession, Indian consumers are splurging on consumer goods and to meet this growth, companies are investing heavily in various sectors.
Therefore , option A will be required word .

Sample GATE Mock Test - Electronics & Communication (EC) - Question 2

In the olympic games, the flags of six nations were flown on the masts in the following way. The flag of
America was to the left of Indian tricolor and to the right of the flag of france. The flag of Australia was on
the right of the Indian flag but was to the left of the flag of Japan, which was to the left of the flag of China.
The two flags which are in the centre is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 2

India and Australia
[France – America – India –Aus –Japan – China]

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Sample GATE Mock Test - Electronics & Communication (EC) - Question 3

From the given equilateral triangle below A, B and C run along the sides in clock-wise direction and stop after coming (1{1over 2}) sides. Which of the following statements is true?

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 3

Sample GATE Mock Test - Electronics & Communication (EC) - Question 4

In the following questions, a sent ence has been given in direct/indirect speech.
Nitin said to me, “why don’t you come with us? why do you want to be so unsocial.

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 4

 

Nitin asked me why I did not come with them. He further asked why I wanted to be so unsocial.

Sample GATE Mock Test - Electronics & Communication (EC) - Question 5

Spotting the error

In order to transfer (a)/ branch licenses for one (b)/ bank to anot her you require special approval from RBI
(c)/ No error (d).

Sample GATE Mock Test - Electronics & Communication (EC) - Question 6

Question 6 to 10 carry Two Marks each

Q.

In an NGO, the daily average wages of 20 illiterate employee is decreased from Rs. 25 to Rs. 10. Thus the
average salary of all the literate (educated) and illiterate employees is decreased by Rs. 10 perday. The
number of educated employees working in the NGO is

Sample GATE Mock Test - Electronics & Communication (EC) - Question 7

Answer the question with the help of the following table

Q.

The ratio of the percentage share of Dairy Milk to that of other is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 7

Sample GATE Mock Test - Electronics & Communication (EC) - Question 8

Answer the question with the help of the following table

Q.

If in the next year, Crackle and Dairy Mill decided to join hands and increase their market share from their
combined existing share by 20%. What will be their combined production if the mark size remains the same?

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 8

Sample GATE Mock Test - Electronics & Communication (EC) - Question 9

Simple interest on a certain amount is 9/16  of the principle. If the number representing the rate of intersest in percent and time in years be equal. Then time, for when the principal is lent out is,

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 9

Sample GATE Mock Test - Electronics & Communication (EC) - Question 10

If A is a square matrix of order 3 and |A| =1/2. The A (adj(A)) is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 10

Sample GATE Mock Test - Electronics & Communication (EC) - Question 11

Question 11 to 35 carry One Mark each

Q.

If the probability for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 11

Sample GATE Mock Test - Electronics & Communication (EC) - Question 12

Eigen value of unit ary matrix are always

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 12

The eigen value of unitary matrix are always of unit modulus

Sample GATE Mock Test - Electronics & Communication (EC) - Question 13

The linear approximat ion of e–x in the neighbourhood of x = 2 is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 13

*Answer can only contain numeric values
Sample GATE Mock Test - Electronics & Communication (EC) - Question 14

If   , then the value of  is


Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 14

Sample GATE Mock Test - Electronics & Communication (EC) - Question 15

State equation of a cont rol system is given by

T he state transition matrix is .

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 15

Sample GATE Mock Test - Electronics & Communication (EC) - Question 16

Find the value of 'k' and 'a' to satisfy the frequency domain specification Mr = 1.04 and ωr = 11.55 rad/sec is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 16

Sample GATE Mock Test - Electronics & Communication (EC) - Question 17

The current waveform across a 8H inductor is

The voltage wareform is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 17

*Answer can only contain numeric values
Sample GATE Mock Test - Electronics & Communication (EC) - Question 18

For the circuit shown in figure diode cut in voltage is Vin = 0. T he Ripple voltage to not more than Vrip= 4V.
The min load resistance(in k), that can be corrected to the output is

____________________


Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 18

*Answer can only contain numeric values
Sample GATE Mock Test - Electronics & Communication (EC) - Question 19

A bidirectional 4-bit shift register is storing the nibble 1101. Its  input is high. The nibble 1011 is waiting to be entered on the serial data-input line. After these clock pulses, the shift register is storing (in binary system) _________________


Sample GATE Mock Test - Electronics & Communication (EC) - Question 20

If ω0 is low, the autocorrelation of function approximately is, where ^ represent
triangle and  

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 20

Sample GATE Mock Test - Electronics & Communication (EC) - Question 21

The hole concentrat ion in P-t ype GaAs is given by

Where L = 10 μm. T he hole diffusion constant is 10cm2/sec. The hole diffusion current density at x = 5 μm
is

Sample GATE Mock Test - Electronics & Communication (EC) - Question 22

A circular conductor of radius r0 = 1 cm has an internal field

Total current in the conductor is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 22

*Answer can only contain numeric values
Sample GATE Mock Test - Electronics & Communication (EC) - Question 23

A video transmission system transmits 625 picture frames per second each frame consist of 400 x 400 pixel grid
with 64 intensity levels per pixel. The data rate (in Gbps) of the system is

__________________


Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 23

Rate = 625 × 4002 × 64 = 6.4 Gbps

*Answer can only contain numeric values
Sample GATE Mock Test - Electronics & Communication (EC) - Question 24

The volt age vba in the circuit given below is

_________________

 


Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 24

 

*Answer can only contain numeric values
Sample GATE Mock Test - Electronics & Communication (EC) - Question 25

The common base amplifier is drawn as a two port in figure. The parameter are β= 100, gm = 3mS, r0= 800 k The h parameter h21 is

______________


Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 25

Sample GATE Mock Test - Electronics & Communication (EC) - Question 26

Impulse response of ZOH (zero order hold circuit) shown

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 26

*Answer can only contain numeric values
Sample GATE Mock Test - Electronics & Communication (EC) - Question 27

Determine the equivalent noise temperature of both the amplifiers assuming the refference temperature of
20°C and compare with that of cascaded amlifier.

__________________


Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 27

To = 20 + 273 = 293
Te = (F – 1)To = (1.6 – 1) × 293 = 296 K

Sample GATE Mock Test - Electronics & Communication (EC) - Question 28

If the phase angle at gain crossover frequency is estimated to be –105°. What will be the value of phase
margin of the system?

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 28

If the phase angle at gain crossover frequency is estimated to be –105°. 75° will be the value of phase
margin of the system

Sample GATE Mock Test - Electronics & Communication (EC) - Question 29

Two identical co-axial circular coil carry the same current I but in opposite direction. The magnitude of
magnetic field B at a point on the axis midway between the coil is

Detailed Solution for Sample GATE Mock Test - Electronics & Communication (EC) - Question 29

Sample GATE Mock Test - Electronics & Communication (EC) - Question 30

The Phase and gain margin margins of the system shown in figure where k = 10 is

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