ISRO Scientist or Engineer Electronics 2012 Question 21

Question 21

For identical total transmitted power, the ratio of $$\frac{S}{N}$$ for wide band FM to $$\frac{S}{N}$$ of DSB-AM (with $$m_a = 1$$)is :
( Given fm = 15 KHz & frequency.deviation =$$\pm$$ 75 KHz)

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