Which one of the following statements is correct The Shannon's Theorem...

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Which one of the following statements is correct?
The Shannon's Theorem, channel capacity formula indicates that in theory

A. by using proper channel codes, we can get an error free transmission on a noisy channel

B. it is not possible to get an error-free transmission on a noisy channel, since there will always be some error in the detected signal for finite noise on any channel

C. it is true only for some wired channels and not wireless channels

D. it works only for analog signals and not for digital signals on any channel

Answer: Option A

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