Frequency Modulation Quizz 1

Frequency Modulation Quizz 1

University

10 Qs

quiz-placeholder

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Frequency Modulation Quizz 1

Frequency Modulation Quizz 1

Assessment

Quiz

Engineering

University

Practice Problem

Hard

Created by

Manjunatha P

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The man behind the invention of frequency modulation is

Edwin Howard Armstrong

John Chowning

Reginald Fessenden

None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Modulation index in frequency modulation can be determined by using

δf / fm

Am/fm

Am/Ac

Ac/fm

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Noise immunity is superior in

Amplitude Modulation

Frequency Modulation

Phase Modulation

None of the above

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In FM signals the amount of frequency deviated is dependent upon

Modulating frequency

Carrier frequency

Amplitude

Phase

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carson’s rule formula for bandwidth calculation is

fm

2fm (β+1)

2 fm

2(Δf+fm)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Δf in the Carson’s rule stands for

Peak deviation in frequency

Required bandwidth

Highest frequency

Modulating frequency

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Parameters constant in FM are

Amplitude

Phase

Frequency

Both a and b

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