What is Friis free space equation?

Q.  Friis free space equation

1. Is an expression for noise power
2. Is a function of transmitting and receiving antenna gain
3. Depends upon the distance between transmitting and receiving antenna
- Published on 17 Nov 15

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

ANSWER: 2 and 3 are correct

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