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
Options
A. 0
B. 4
C. 2
D. 2
Correct Answer
0
Explanation
DC meter reads mean value.
More questions
1. As compared to dimensions of most feeds, the skin depth at microwave frequencies is
Correct Answer: phasor sum of fields produced by individual antennas of the array
Explanation:
Since field is a phasor quantity we have to take phasor sum.
7. A standard cell of 1.0185 V is used with a slide wire potentiometer. The balance was obtained at 60 cm. When an unknown emf was connected, the balance was obtained at 82 cm. The magnitude of unknown emf is