A) radio

B) uniform Wire

ans. a) -18db b) -12db

The dB reductions in power relative to some reference for free space radio and uniform wire, at the distance of 1 km, have been recorded to be as follows: Radio, i.e., free space (dB) -6 dB Uniform wire (dB) -3 dB What is the reduction in power (in dB) relative to the same reference at the distance of 4 km for (a) and (b)