Discussion :: Exam Questions Paper
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An audio signal is band limited to 4 kHz. It is sampled at 8 kHz. What will be the spectrum of the sampled signal?
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A.
-4 kHz to 4 kHz
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B.
-8 kHz to 8 kHz
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C.
every 4n kHz repeating
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D.
every ± 8 kHz and operating as well as at zero (k integer)
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Answer : Option C
Explanation :
No answer description available for this question.
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