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An Ideal power limited communication channel with additive white Gaussian noise...

This question belongs to Electronics And Communications Engineering Information Theory And Coding
Information Theory and Coding
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An Ideal power limited communication channel with additive white Gaussian noise with 1 MHz band width and Signal to Noise ratio of 15 is transmitting the information at theoretical maximum rate. If the Signal to Noise ratio is reduced to 7, how much bandwidth is required to maintain same rate:

Answer & Solution
Correct Answer: Option B
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