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Test: Communication System- 1 - Electrical Engineering (EE) MCQ


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25 Questions MCQ Test - Test: Communication System- 1

Test: Communication System- 1 for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Test: Communication System- 1 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Communication System- 1 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Communication System- 1 below.
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Test: Communication System- 1 - Question 1

High-frequency waves are

Test: Communication System- 1 - Question 2

Distance near the skip distance should be used for sky-wave propagation

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Test: Communication System- 1 - Question 3

A ship- to-ship communications system is plagued by fading. The best solution seems to be the use of

Test: Communication System- 1 - Question 4

In electromagnetic waves, polarization

Test: Communication System- 1 - Question 5

As electromagnetic waves travel in free space, only one of the following can happen to them :

Test: Communication System- 1 - Question 6

Electromagnetic waves are refracted when they

Test: Communication System- 1 - Question 7

Diffraction of electromagnetic waves

Test: Communication System- 1 - Question 8

When microwave signals follow the curvature of the earth, this is known as

Test: Communication System- 1 - Question 9

One of the following consists of no resonant antennas:

Test: Communication System- 1 - Question 10

Which one of the following terms does not apply to the Yagi-Uda array ?

Test: Communication System- 1 - Question 11

An antenna that is circularly polarized is the

Test: Communication System- 1 - Question 12

Top loading is sometimes used with an antenna in order to increase its

Test: Communication System- 1 - Question 13

Cassegrain feed is used with a parabolic reflector to

Test: Communication System- 1 - Question 14

A helical antenna is used for satellite tracking because of its

Test: Communication System- 1 - Question 15

A helical antenna is used for satellite tracking because of its

Test: Communication System- 1 - Question 16

When electromagnetic waves are propagated in a waveguide

Test: Communication System- 1 - Question 17

The wavelength of a wave in a waveguide

Test: Communication System- 1 - Question 18

When a particular mode is excited in a waveguide, there appears an extra electric component, in the direction of propagation. The resulting mode is

Test: Communication System- 1 - Question 19

When electromagnetic waves are reflected at an angle from a wall, their wave-length along the wall is

Test: Communication System- 1 - Question 20

As a result of reflections from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater greater than the velocity of light in space. This is called the

Test: Communication System- 1 - Question 21

A signal propagated in a waveguide has a full wave of electric intensity change between the two further walls, and no component of the electric field in the direction of propagation. The mode is

Test: Communication System- 1 - Question 22

In order to couple two generator to a waveguide system without coupling them to each other, one could not use a

Test: Communication System- 1 - Question 23

A directional coupler with three or more holes is sometimes used in preference to the two-hole coupler

Test: Communication System- 1 - Question 24

A ferrite is

Test: Communication System- 1 - Question 25

A PIN diode is

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