Modulation
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PHXII15:COMMUNICATION SYSTEMS

356760 A message signal of frequency \(3\,kHz\) is used to modulate a carrier signal of frequency \(1.5\,MHz\) The bandwidth of the amplitude modulated wave is

1 \(6\,kHz\)
2 \(3\,MHz\)
3 \(3\,kHz\)
4 \(6\,MHz\)
JEE - 2023
PHXII15:COMMUNICATION SYSTEMS

356761 The need for doing modulation is

1 To increase the intensity of audio signal
2 To decrease the intensity of audio signal
3 To transmit audio signal to large distances
4 To increase the frequency of the audio signal
PHXII15:COMMUNICATION SYSTEMS

356762 The process of recovering the audio signal from the modulated wave is known as

1 Amplification
2 Rectification
3 Modulation
4 Demodulation
PHXII15:COMMUNICATION SYSTEMS

356763 A carrier wave of peak voltage \(20 {~V}\) is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of \(75 \%\) is

1 \(10\,V\)
2 \(15\,V\)
3 \(20\,V\)
4 \(5\,V\)
PHXII15:COMMUNICATION SYSTEMS

356764 Match Column I with Column II. Choose the correct answer from the options given below:
Column I
Column II
A
\(AM\) Broadcast
P
\(88{\rm{ - }}108\,MHz\)
B
\(FM\) Broadcast
Q
\(540{\rm{ - }}1600\,MHz\)
C
Television
R
\(3.7{\rm{ - }}4.2\,GHz\)
D
Satellite communicaton
S
\(54\,MHz - 890\,MHz\)

1 A - Q, B - R, C - P, D - S
2 A - Q, B - P, C - S, D - R
3 A - S B - R, C - P, D - Q
4 A - P, B - R, C - Q, D - S
JEE - 2023
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PHXII15:COMMUNICATION SYSTEMS

356760 A message signal of frequency \(3\,kHz\) is used to modulate a carrier signal of frequency \(1.5\,MHz\) The bandwidth of the amplitude modulated wave is

1 \(6\,kHz\)
2 \(3\,MHz\)
3 \(3\,kHz\)
4 \(6\,MHz\)
JEE - 2023
PHXII15:COMMUNICATION SYSTEMS

356761 The need for doing modulation is

1 To increase the intensity of audio signal
2 To decrease the intensity of audio signal
3 To transmit audio signal to large distances
4 To increase the frequency of the audio signal
PHXII15:COMMUNICATION SYSTEMS

356762 The process of recovering the audio signal from the modulated wave is known as

1 Amplification
2 Rectification
3 Modulation
4 Demodulation
PHXII15:COMMUNICATION SYSTEMS

356763 A carrier wave of peak voltage \(20 {~V}\) is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of \(75 \%\) is

1 \(10\,V\)
2 \(15\,V\)
3 \(20\,V\)
4 \(5\,V\)
PHXII15:COMMUNICATION SYSTEMS

356764 Match Column I with Column II. Choose the correct answer from the options given below:
Column I
Column II
A
\(AM\) Broadcast
P
\(88{\rm{ - }}108\,MHz\)
B
\(FM\) Broadcast
Q
\(540{\rm{ - }}1600\,MHz\)
C
Television
R
\(3.7{\rm{ - }}4.2\,GHz\)
D
Satellite communicaton
S
\(54\,MHz - 890\,MHz\)

1 A - Q, B - R, C - P, D - S
2 A - Q, B - P, C - S, D - R
3 A - S B - R, C - P, D - Q
4 A - P, B - R, C - Q, D - S
JEE - 2023
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PHXII15:COMMUNICATION SYSTEMS

356760 A message signal of frequency \(3\,kHz\) is used to modulate a carrier signal of frequency \(1.5\,MHz\) The bandwidth of the amplitude modulated wave is

1 \(6\,kHz\)
2 \(3\,MHz\)
3 \(3\,kHz\)
4 \(6\,MHz\)
JEE - 2023
PHXII15:COMMUNICATION SYSTEMS

356761 The need for doing modulation is

1 To increase the intensity of audio signal
2 To decrease the intensity of audio signal
3 To transmit audio signal to large distances
4 To increase the frequency of the audio signal
PHXII15:COMMUNICATION SYSTEMS

356762 The process of recovering the audio signal from the modulated wave is known as

1 Amplification
2 Rectification
3 Modulation
4 Demodulation
PHXII15:COMMUNICATION SYSTEMS

356763 A carrier wave of peak voltage \(20 {~V}\) is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of \(75 \%\) is

1 \(10\,V\)
2 \(15\,V\)
3 \(20\,V\)
4 \(5\,V\)
PHXII15:COMMUNICATION SYSTEMS

356764 Match Column I with Column II. Choose the correct answer from the options given below:
Column I
Column II
A
\(AM\) Broadcast
P
\(88{\rm{ - }}108\,MHz\)
B
\(FM\) Broadcast
Q
\(540{\rm{ - }}1600\,MHz\)
C
Television
R
\(3.7{\rm{ - }}4.2\,GHz\)
D
Satellite communicaton
S
\(54\,MHz - 890\,MHz\)

1 A - Q, B - R, C - P, D - S
2 A - Q, B - P, C - S, D - R
3 A - S B - R, C - P, D - Q
4 A - P, B - R, C - Q, D - S
JEE - 2023
NEET DIGITAL LIBRARY
PHXII15:COMMUNICATION SYSTEMS

356760 A message signal of frequency \(3\,kHz\) is used to modulate a carrier signal of frequency \(1.5\,MHz\) The bandwidth of the amplitude modulated wave is

1 \(6\,kHz\)
2 \(3\,MHz\)
3 \(3\,kHz\)
4 \(6\,MHz\)
JEE - 2023
PHXII15:COMMUNICATION SYSTEMS

356761 The need for doing modulation is

1 To increase the intensity of audio signal
2 To decrease the intensity of audio signal
3 To transmit audio signal to large distances
4 To increase the frequency of the audio signal
PHXII15:COMMUNICATION SYSTEMS

356762 The process of recovering the audio signal from the modulated wave is known as

1 Amplification
2 Rectification
3 Modulation
4 Demodulation
PHXII15:COMMUNICATION SYSTEMS

356763 A carrier wave of peak voltage \(20 {~V}\) is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of \(75 \%\) is

1 \(10\,V\)
2 \(15\,V\)
3 \(20\,V\)
4 \(5\,V\)
PHXII15:COMMUNICATION SYSTEMS

356764 Match Column I with Column II. Choose the correct answer from the options given below:
Column I
Column II
A
\(AM\) Broadcast
P
\(88{\rm{ - }}108\,MHz\)
B
\(FM\) Broadcast
Q
\(540{\rm{ - }}1600\,MHz\)
C
Television
R
\(3.7{\rm{ - }}4.2\,GHz\)
D
Satellite communicaton
S
\(54\,MHz - 890\,MHz\)

1 A - Q, B - R, C - P, D - S
2 A - Q, B - P, C - S, D - R
3 A - S B - R, C - P, D - Q
4 A - P, B - R, C - Q, D - S
JEE - 2023
Join With Us for More Updates
PHXII15:COMMUNICATION SYSTEMS

356760 A message signal of frequency \(3\,kHz\) is used to modulate a carrier signal of frequency \(1.5\,MHz\) The bandwidth of the amplitude modulated wave is

1 \(6\,kHz\)
2 \(3\,MHz\)
3 \(3\,kHz\)
4 \(6\,MHz\)
JEE - 2023
PHXII15:COMMUNICATION SYSTEMS

356761 The need for doing modulation is

1 To increase the intensity of audio signal
2 To decrease the intensity of audio signal
3 To transmit audio signal to large distances
4 To increase the frequency of the audio signal
PHXII15:COMMUNICATION SYSTEMS

356762 The process of recovering the audio signal from the modulated wave is known as

1 Amplification
2 Rectification
3 Modulation
4 Demodulation
PHXII15:COMMUNICATION SYSTEMS

356763 A carrier wave of peak voltage \(20 {~V}\) is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of \(75 \%\) is

1 \(10\,V\)
2 \(15\,V\)
3 \(20\,V\)
4 \(5\,V\)
PHXII15:COMMUNICATION SYSTEMS

356764 Match Column I with Column II. Choose the correct answer from the options given below:
Column I
Column II
A
\(AM\) Broadcast
P
\(88{\rm{ - }}108\,MHz\)
B
\(FM\) Broadcast
Q
\(540{\rm{ - }}1600\,MHz\)
C
Television
R
\(3.7{\rm{ - }}4.2\,GHz\)
D
Satellite communicaton
S
\(54\,MHz - 890\,MHz\)

1 A - Q, B - R, C - P, D - S
2 A - Q, B - P, C - S, D - R
3 A - S B - R, C - P, D - Q
4 A - P, B - R, C - Q, D - S
JEE - 2023