M

Mr. Dubey • 52.30K Points
Coach 

Q.                    has a constant power spectral density.

(A) white noise
(B) gaussian noise
(C) thermal noise
(D) shot noise
Correct : Option (A)

Explanation: 
 thermal noise has a power spectral density for a wide range of frequencies. its plot of frequency v/s noise power is a straight line parallel to y axis.

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