A network either T or π, is said to be of the constant-k type if Z1 and Z2 of the network satisfies the relation?(a) Z1Z2 = k(b) Z1Z2 = k^2(c) Z1Z2 = k^3(d) Z1Z2 = k^4This question was addressed to me in quiz.I need to ask this question from Constant-K Low Pass Filter topic in section Filters and Attenuators of Network Theory

A network either T or π, is said to be of the constant-k type if Z1 a

1.	A network either T or π, is said to be of the constant-k type if Z1 and Z2 of the network satisfies the relation?(a) Z1Z2 = k(b) Z1Z2 = k^2(c) Z1Z2 = k^3(d) Z1Z2 = k^4This question was addressed to me in quiz.I need to ask this question from Constant-K Low Pass Filter topic in section Filters and Attenuators of Network Theory
Answer» Correct option is (b) Z1Z2 = k^2 To elaborate: Z1,Z2 are inverse if their product is a CONSTANT, independent of frequency, k is REAL constant, that is the resistance. k is often TERMED as design impedance or nominal impedance of the constant k-filter.

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