Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 6 (Q.No. 5)
5.
In a system an input resistance of 20 kΩ causes a noise voltage of 15μV. If two such input resistances each of 20 kΩ are used in parallel, the total noise voltage will be about
15 μV
30 μV
7.5 μV
10.6 μV
Answer: Option
Explanation:

Overall resistance = 10 kW. Noise voltage = (15) = 10.6 μV.

Discussion:
1 comments Page 1 of 1.

Mostafiz said:   7 years ago
Here, taken power is equal in both case.

Post your comments here:

Your comments will be displayed after verification.