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Question 20218
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Principles of Communication: Communication System MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Communication SystemEasyQuestion 20218

Question

Noise in a communication channel is:
  1. A
    A desired signal
  2. B
    Any unwanted disturbance added to the signal
    Correct
  3. C
    The carrier frequency
  4. D
    The demodulation process

Correct answer

Any unwanted disturbance added to the signal

Explanation

Noise is any random electrical disturbance not part of the message. It can arise from thermal agitation (thermal noise), atmospheric effects, or interference.

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