Consider the following circuit:
Which of the following statements is/are true?
1
For Low pass filter, y3 and y4 must be capacitances.
2
for low pass filter y1 and y2 must be capacitances, y3 and y4 must be conductances
3
For high pass filter, y1 and y2 must be conductances and y3 and y4 must be capacitances
4
For high pass filter, y1 and y2 must be capacitances y3 and y4 must be conductances.