A voltage V(t) is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt². If it is measured by a dc meter. The reading will be

A voltage V(t) is a Gaussian ergodic random process with a mean of zer

1.	A voltage V(t) is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt². If it is measured by a dc meter. The reading will be
A.	0
B.	4
C.	2
D.	2
Answer» B. 4