Concept drill
Friis transmission equation
GATE Electronics & Communication · Antennas and Wave Propagation · 1996-2026
2
PYQs
100%
keyed
1
elite explanations
2
years appeared
Study anchor
Source-book anchor pending for this concept.
Practice action
Start latest PYQPYQs in this concept
All concepts →2026 Q21
Consider the Friis' transmission equation $P_R = (P_T G_T G_R \lambda^2)/(4\pi D)^2$, where $P_R$ and $P_T$ are the received and the transmitted powers, respectively. $G_T$ and $G_...
mediumanswer key
1996 PYQ
A 1 km long microwave link uses two antennas each having 30dB gain. If the power transmitted by one antenna is 1 W at 3 GHz, the power received by the other antenna is approximatel...
mediumanswer keyelite explanation