Frequency Modulation

Frequency Modulation

University

15 Qs

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Frequency Modulation

Frequency Modulation

Assessment

Quiz

Specialty

University

Practice Problem

Medium

Created by

Jefril Amboy

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following indicates the degree to which a signal is modulated?

Frequency deviation

Modulation index

Deviation ratio

Carson’s rule

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The ability of an FM receiver to receive the strongest signal and reject others

sensitivity

selectivity

Capture effect

Flywheel effect

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In FM, the frequency deviation rate is equal to

Δf

m

fc

fm

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Indirect frequency modulation can be used using

Balanced modulator

Voltage controlled oscillator

discriminator

Phase modulator

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In frequency modulation, the frequency deviation varies according to the _____________ of the modulating signal

amplitude

Instantaneous value

frequency

Frequency and phase

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT true in FM?

The peak amplitude of the carrier remains constant

The bandwidth is larger compared to AM

The frequency of the carrier is directly proportional to the amplitude of the modulating signal

It is more resistant to noise than AM

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The modulation index in FM is NOT a function of

The modulating signal amplitude

Carrier frequency

Modulating signal frequency

Frequency deviation

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