Communication Systems - Engineering

Q1:

If transmitted power is 10 kW, the field strength at a distance d is 50 mV/m. If transmitted power is reduced to 2.5 kW, the field strength at the same point will be

A 25 mV/m

B 12.5 mV/m

C 6.25 mV/m

D 3.125 mV/m

ANS:A - 25 mV/m

E ∝ Pt .