Practice Test: Electronics Engineering (ECE)- 8 - Electronics and Communication Engineering (ECE) MCQ

# Practice Test: Electronics Engineering (ECE)- 8 - Electronics and Communication Engineering (ECE) MCQ

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## 30 Questions MCQ Test GATE ECE (Electronics) Mock Test Series 2025 - Practice Test: Electronics Engineering (ECE)- 8

Practice Test: Electronics Engineering (ECE)- 8 for Electronics and Communication Engineering (ECE) 2024 is part of GATE ECE (Electronics) Mock Test Series 2025 preparation. The Practice Test: Electronics Engineering (ECE)- 8 questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Practice Test: Electronics Engineering (ECE)- 8 MCQs are made for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Practice Test: Electronics Engineering (ECE)- 8 below.
Solutions of Practice Test: Electronics Engineering (ECE)- 8 questions in English are available as part of our GATE ECE (Electronics) Mock Test Series 2025 for Electronics and Communication Engineering (ECE) & Practice Test: Electronics Engineering (ECE)- 8 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 Practice Test: Electronics Engineering (ECE)- 8 | 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
Practice Test: Electronics Engineering (ECE)- 8 - Question 1

### For the function f(x) = x3 ex, the minimum value occurred when x is equal to

Detailed Solution for Practice Test: Electronics Engineering (ECE)- 8 - Question 1

Practice Test: Electronics Engineering (ECE)- 8 - Question 2

### The system of equations ax + by + (aa + b)z = 0; bx + cy + (ba + c) z = 0; (aa + b)x + (ba+ c) y = 0. has infinite number of non-triviaf solutions, then which of the following is true?

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Practice Test: Electronics Engineering (ECE)- 8 - Question 3

### Find the residue of

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Practice Test: Electronics Engineering (ECE)- 8 - Question 4

Obtain the taylor series of the function in the region

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Practice Test: Electronics Engineering (ECE)- 8 - Question 5

The dependent current source shown in circuit

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*Answer can only contain numeric values
Practice Test: Electronics Engineering (ECE)- 8 - Question 6

The minimum number of equations required to analyze the circuit shown in the figure below is _____

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Practice Test: Electronics Engineering (ECE)- 8 - Question 7

The condition on R, L and C such that the step response y(t) in the figure has no oscillations, is

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*Answer can only contain numeric values
Practice Test: Electronics Engineering (ECE)- 8 - Question 8

VT = 1V&

IDS = 0.5 mA For the given figure ( NMOS circuit) the value of VDS is __________V

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Practice Test: Electronics Engineering (ECE)- 8 - Question 9

Current through a Silicon diode is 60 mA at a Forward bias of 0.95 V then the values of AC and DC Resistance of diode are?

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Practice Test: Electronics Engineering (ECE)- 8 - Question 10

In the given figure, the zener diode D1 has a reverse saturation current of 20 μA and a reverse saturation breakdown voltage of 100 V : The corresponding values for D2 are 50 μA & 30 V. The current in the circuit is given by

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Practice Test: Electronics Engineering (ECE)- 8 - Question 11

The range of the voltage gain adjustment in the following circuit is?

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Practice Test: Electronics Engineering (ECE)- 8 - Question 12

A transformer coupled class-A large signal amplifier has maximum and minimum values of collector- emitter voltage of 25V and 2.5V. The collector efficiency is?

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Practice Test: Electronics Engineering (ECE)- 8 - Question 13

For the circuit shown in the given figure the frequency of the output Q will be

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Practice Test: Electronics Engineering (ECE)- 8 - Question 14

The function ‘F’ implemented by the multiplexer chip shown in the figure is :

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Practice Test: Electronics Engineering (ECE)- 8 - Question 15

In a microprocessor the register which holds the address of the next instruction to be fetched is

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Practice Test: Electronics Engineering (ECE)- 8 - Question 16

The convolution product of

x[n] = {1.2, ,3,4.} 0 < n < 3
h(n) = (1, ,2 1, -1} 0 < n < 3 is?

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Practice Test: Electronics Engineering (ECE)- 8 - Question 17

If the step response of a causal, linear time invariant system is a(t) then the response of the system to a general input x(t) would be

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Practice Test: Electronics Engineering (ECE)- 8 - Question 18

For what value of ‘a’ does the system shown in the figure have a zero steady state error for a step input?

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Practice Test: Electronics Engineering (ECE)- 8 - Question 19

The measurement system shown in the figure uses three sub-systems in cascade, whose gains are specified asThe relative small errors associated with each respective sub-system are ei, e2 and e3. The error associated with the output is

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Practice Test: Electronics Engineering (ECE)- 8 - Question 20

The first two rows of Routh's tabulation of a third order equation are as follows.

This means there are

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Practice Test: Electronics Engineering (ECE)- 8 - Question 21

A broadcast radio transmitter radiates 10KW. When the modulation index is 0.6, the amount of carrier power, modulating wave power are?

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Practice Test: Electronics Engineering (ECE)- 8 - Question 22

If Pk is the probability of a message being received or transmitted, the amount of information lk associated in a bit is

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*Answer can only contain numeric values
Practice Test: Electronics Engineering (ECE)- 8 - Question 23

Consider limiter - Discriminator based FM demodulation with a sinusoidal modulation signal with maximum frequency deviation 60 KHz and base filter width 12kHz, the figure of merit is ____

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Practice Test: Electronics Engineering (ECE)- 8 - Question 24

A TEM wave impinges obliquely on a dielectric boundary with ∈r1 = 4 & ∈r2 = 3. The angle of incidence of total reflection is

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Practice Test: Electronics Engineering (ECE)- 8 - Question 25

Stoke's theorem relating the line integration to surface integration states that

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Practice Test: Electronics Engineering (ECE)- 8 - Question 26

The distribution function of a discrete random variable x is as follows:

The probability that X will take odd values is

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Practice Test: Electronics Engineering (ECE)- 8 - Question 27

Using Runge-Kutta method find the approximate value of y, when x = 0.1 given that when x = 0; y = 1

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Practice Test: Electronics Engineering (ECE)- 8 - Question 28

where S is the surface of the sphere x2 + y* + z2 = 16.

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Practice Test: Electronics Engineering (ECE)- 8 - Question 29

The particular integral of the different equation

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Practice Test: Electronics Engineering (ECE)- 8 - Question 30

Which one of the following statment is true of the circuit show in the given figure ?

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## GATE ECE (Electronics) Mock Test Series 2025

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## GATE ECE (Electronics) Mock Test Series 2025

25 docs|263 tests