Communication Systems - Engineering

Q1:

A device has two resistances 300 Ω and 200 Ω respectively. The noise voltages due to these two resistance calculated separately are 5.38 μV and 4.38 μV respectively. When both of them are used together, the noise voltage will be

A 9.76 V

B 1 μV

C 23.56 μV

D 6.94 μV

ANS:D - 6.94 μV

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