How can a first order low pass filter can be converted into second ord – McqOptions

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1.	How can a first order low pass filter can be converted into second order low pass filter
A.	By adding LC network
B.	By adding RC network
C.	By adding RC \|\| LC network
D.	None of the mentioned
Answer» C. By adding RC \|\| LC network

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How can a first order low pass filter can be converted into second order low pass filter