engineering recuitment UPCL AE (E&M) 2021 Mock Test Communication Systems Noise in Analog Communication System Additive Noise and Signal To Noise Ratio
The signal power and noise power are denoted by S and N respectively. If the signal power increase to 3S and the noise power reduces by half. The ratio of the old SNR to the new SNR is given by ______.
1
6
2
2/3
3
1.5
4
1/6