Communications-Analog Communications [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 5 of 50

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Question 1

Appeared in Year: 2017

Question MCQ▾

The ability of a receiver to discriminate against the interfering signals is known as: (November paper 2)

Choices

Choice (4)Response

a.

Distortion

b.

Selectivity

c.

Sensitivity

d.

Fidelity

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Question 2

Question MCQ▾

A wideband amplifier has a precise amplification factor ________.

Choices

Choice (4)Response

a.

Neutral

b.

Less than the wide range

c.

Over the wide range

d.

Equal to the wide range

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Question 3

Appeared in Year: 2018

Question MCQ▾

Which of the following statement is correct? (July)

Choices

Choice (4)Response

a.

MF radio frequency waves are called long waves and HF are called short waves.

b.

VLF and LF radio frequency waves are called long waves while HF waves are called short waves.

c.

LF radio waves are called long waves and VHF are called short waves

d.

ELF radio waves are called long waves and HF are called short waves.

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Question 4

Appeared in Year: 2018

Question MCQ▾

The simple one dimensional diffusion process can be given by: (July)

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 5

Appeared in Year: 2018

Question MCQ▾

Consider the following systems:

1) Satellite

2) Conventional public address system

3) Conventional radio receiver

4) Laser detector

Arrange the above systems in the order of their increasing order of operational frequency: (July)

Choices

Choice (4)Response

a.

2) , 3) , 1) , 4)

b.

2) , 3) , 4) , 1)

c.

3) , 2) , 1) , 4)

d.

1) , 2) , 3) , 4)

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