WorksheetsAmplitude Modulation
Total questions: 10
Worksheet time: 5mins
What does the term "AM" stand for in modulation?
Amplitude Modulation
Analog Modulation
Ample Modulation
Automated Modulation
In AM modulation, what parameter is varied to carry the information signal?
Frequency
Amplitude
Phase
Wavelength
Which of the following is a common example of an AM signal?
FM Radio
AM Radio
Satellite TV
Mobile Phone
What is the primary purpose of modulation in communication systems?
To increase signal power
To carry information over a distance
To reduce signal clarity
To decrease bandwidth
What is a carrier signal in modulation?
The signal containing the message to be transmitted.
The resultant signal after modulation.
An empty signal used to carry the modulated signal.
A signal that reduces the bandwidth of the message signal.
What is the modulated signal in the context of modulation?
The message signal before modulation.
The carrier signal before modulation.
The signal used for transmission.
The combination of the modulating signal and the carrier signal after modulation.
Which of the following is NOT an advantage of implementing modulation in communication systems?
Reduced antenna size.
No signal mixing.
Decreased communication range.
Improved reception quality.
Which of the following statements is true about modulation?
Modulation decreases the strength of the message signal.
Modulation is only used in wireless communication systems.
Modulation changes the carrier signal's parameters to convey information.
Modulation is unnecessary in communication systems.
Which of the following shows a modulated signal?
Computer the bandwidth:
fUSB = 610kHz and fLSB = 590kHz
10Hz
10kHz
20kHz
20Hz
