For an integrating circuit to be effective , the RC product should be ___________ the time period of the input wave.$?

For an integrating circuit to be effective , the RC product should be

1.	For an integrating circuit to be effective , the RC product should be ___________ the time period of the input wave.$?
A.	5 times greater than
B.	5 times smaller than
C.	Equal to
D.	At least 10 times greater than
Answer» E.