Electromagnetic Field Theory - Engineering

Q1:

If the height of transmitting and receiving antenna in a LOS system are 49 meter and a 9 meter respectively then the distance up to which communication may be possible is about

A 40 km

B 110 km

C 400 km

D 1100 km

ANS:A - 40 km

Distance = 0.4 [ht + hr] metre.