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Which of the following is true about carrier signal?
- a)Carrier signals have low frequency
- b)Carrier signals are used to increase the wavelength of the signal
- c)Carrier signals have high frequency
- d)Carrier signals and message signals are the same
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Which of the following is true about carrier signal?a)Carrier signals ...
Carrier signals have high frequency.
Explanation:
- A carrier signal is a continuous wave signal that is modulated (altered) by a message signal to transmit information.
- The carrier signal serves as a carrier wave that carries the information in the form of variations in its amplitude, frequency, or phase.
- The frequency of a carrier signal is usually much higher than the frequency of the message signal being transmitted.
- The high frequency of the carrier signal allows it to carry multiple message signals simultaneously through a process called multiplexing.
- The carrier signal is typically generated by an oscillator and is usually a pure sine wave with a fixed frequency.
- The high frequency of the carrier signal allows it to be easily transmitted over long distances without significant loss or interference.
- In wireless communication, carrier signals are often in the radio frequency (RF) range, ranging from a few kilohertz (kHz) to several gigahertz (GHz).
- The specific frequency of the carrier signal used depends on the application and the available frequency spectrum allocated for communication.
- By modulating the carrier signal with the message signal, the information is encoded onto the carrier signal and can be decoded at the receiving end to retrieve the original message signal.
Explanation:
- A carrier signal is a continuous wave signal that is modulated (altered) by a message signal to transmit information.
- The carrier signal serves as a carrier wave that carries the information in the form of variations in its amplitude, frequency, or phase.
- The frequency of a carrier signal is usually much higher than the frequency of the message signal being transmitted.
- The high frequency of the carrier signal allows it to carry multiple message signals simultaneously through a process called multiplexing.
- The carrier signal is typically generated by an oscillator and is usually a pure sine wave with a fixed frequency.
- The high frequency of the carrier signal allows it to be easily transmitted over long distances without significant loss or interference.
- In wireless communication, carrier signals are often in the radio frequency (RF) range, ranging from a few kilohertz (kHz) to several gigahertz (GHz).
- The specific frequency of the carrier signal used depends on the application and the available frequency spectrum allocated for communication.
- By modulating the carrier signal with the message signal, the information is encoded onto the carrier signal and can be decoded at the receiving end to retrieve the original message signal.
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Community Answer
Which of the following is true about carrier signal?a)Carrier signals ...
Carrier signals have high frequencies and hence are used in the transmission of radio waves. This is because since space is an insulator, for having electric current in order to magnetize it is only possible if the source contains a rate of change of voltage or a varying electric field. All the other statements are not valid.
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Which of the following is true about carrier signal?a)Carrier signals have low frequencyb)Carrier signals are used to increase the wavelength of the signalc)Carrier signals have high frequencyd)Carrier signals and message signals are the sameCorrect answer is option 'C'. Can you explain this answer?
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