Friis free space equation - Characteristics

Q.  According to Friis free space equation

1. Received power falls with square of the distance between the transmitter and receiver
2. Increases with square of the distance between the transmitter and receiver
3. Received power increases with gains of transmitting and receiving antennas
- Published on 17 Nov 15

a. 1 and 2 are correct
b. 1 and 3 are correct
c. All the three are correct
d. 2 and 3 are correct

ANSWER: All the three are correct

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