A ` 1 KW ` signal is transmitted using a communication channel which provides
Channel: Doubtnut
Date: 2020-08-16

A ` 1 KW ` signal is transmitted using a communication channel which provides attenuatiom at the rate of ` - 2 dB per km` . If the communication channel has a total length of ` 5 km` , the power of the signal received is   [ gain in `dB = 10 log ((P_(0))/(P_(i)))]`