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In amplitude modulation (AM), what does the carrier wave represent?
In amplitude modulation (AM), what does the carrier wave represent?
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Practice Questions
1 question
Q1
In amplitude modulation (AM), what does the carrier wave represent?
The information signal
The frequency of the modulated signal
The average power of the signal
The high-frequency signal that carries the information
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In AM, the carrier wave is a high-frequency signal that carries the information signal by varying its amplitude.
Questions & Step-by-step Solutions
1 item
Q
Q: In amplitude modulation (AM), what does the carrier wave represent?
Solution:
In AM, the carrier wave is a high-frequency signal that carries the information signal by varying its amplitude.
Steps: 5
Show Steps
Step 1: Understand that amplitude modulation (AM) is a way to transmit information using radio waves.
Step 2: Identify the carrier wave as a high-frequency signal that acts as a base for the transmission.
Step 3: Recognize that the information signal (like music or voice) is combined with the carrier wave.
Step 4: Learn that the carrier wave's amplitude (height) changes to reflect the information being sent.
Step 5: Conclude that the carrier wave represents the main signal that carries the information through the air.
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