Question
Question: The rms value of potential difference V shown in the figure is <img src="https://cdn.pureessence.te...
The rms value of potential difference V shown in the figure is

A
3V0
B
V0
C
2V0
D
2V0
Answer
2V0
Explanation
Solution
:

V=V0for , 0≤t≤2T
V=0for ,2T≤t≤T
Vrms=[∫0Tdt∫0TV2dt]1/2=[∫0Tdt∫0T/2 V02dt+∫T/2T(0)dt]1/2
=[ TV02[t]0T/2]1/2=[ TV02(2 T)]1/2=[2V02]1/2 Vrms=2V0