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Test: Communication- 3 - Electrical Engineering (EE) MCQ


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25 Questions MCQ Test Basic Electronics Engineering JE (Technical) - Test: Communication- 3

Test: Communication- 3 for Electrical Engineering (EE) 2024 is part of Basic Electronics Engineering JE (Technical) preparation. The Test: Communication- 3 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Communication- 3 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Communication- 3 below.
Solutions of Test: Communication- 3 questions in English are available as part of our Basic Electronics Engineering JE (Technical) for Electrical Engineering (EE) & Test: Communication- 3 solutions in Hindi for Basic Electronics Engineering JE (Technical) course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: Communication- 3 | 25 questions in 50 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study Basic Electronics Engineering JE (Technical) for Electrical Engineering (EE) Exam | Download free PDF with solutions
Test: Communication- 3 - Question 1

The frequency range for satelite communication is

Test: Communication- 3 - Question 2

Digital modulation technique are used in ratelite communication system because

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Test: Communication- 3 - Question 3

In a PLL

Test: Communication- 3 - Question 4

What bandwidth is needed for an FM signal thathas a peak deviation of ± 3 kHz and handleraudio signals from 200 Hz to 5 kHz.

Test: Communication- 3 - Question 5

Main factor that determine the accuracy of areconstructed PCM signal is the

Test: Communication- 3 - Question 6

Polarization mode dispersion is mainly observedin

Test: Communication- 3 - Question 7

The spectrum of a band pass signal spans from 20 kHz to 30 kHz. Signal can be recoveredideally from the sampled values when sampling rate is at least

Test: Communication- 3 - Question 8

The nyquist rate for the signal x(t) = 2 cos ( t) cos (t) in

Test: Communication- 3 - Question 9

The quantisation noise of a PCM system dependsan

Test: Communication- 3 - Question 10

Consider the two signals

x1 = 5 cos ( )

x2 = 2 cos ( ) cos (t)

The minimum sampling rate is

Test: Communication- 3 - Question 11

A single mode fibre does not suffer from which type of dispersion

Test: Communication- 3 - Question 12

Which of the following mode introduces partition noise ?

Test: Communication- 3 - Question 13

What was the first commercial geostationarycommunication satelite ?

Test: Communication- 3 - Question 14

In an optical fiber, the light beam propagator dueto which one of the following ?

Test: Communication- 3 - Question 15

If the value of a resistor creating thermal noise isdoubled, the noise generated is

Test: Communication- 3 - Question 16

Which one of the following is an indirect way ofgenerating FM ?

Test: Communication- 3 - Question 17

Tropospheric scatter communication is used forwhich frequency bond ?

Test: Communication- 3 - Question 18

Why does an FM radio station perform betterthan AM station radiating the same total power?

Test: Communication- 3 - Question 19

In a PCM system, if we increase the levels from 2 to 8, how do the relative bandwidthrequirement varies ?

Test: Communication- 3 - Question 20

How can quantisation noise be reduced ?

Test: Communication- 3 - Question 21

Light travels along optical fibres by whichmechanism ?

Test: Communication- 3 - Question 22

72. What is the reason for using frequencies of theorder of a few GHz in satelite communication ?

Test: Communication- 3 - Question 23

Which one of the following blocks is not commonin both AM ad FM receivers ?

Test: Communication- 3 - Question 24

An analog signal has significant spectralcomponents from 1 kHz to 5 kHz. What is theNyquist rate for this signal ?

Test: Communication- 3 - Question 25

A ckt producer an output y(t) = a + b x2(t) wherex(t) is its input. This ckt can produce

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