For the given information Z11 = 3, Z12 = 1, Z21 = 2, Z22 = 1. What is the product of ∆y and ∆z is?(a) 3(b) 2(c) 1(d) 0I have been asked this question in exam.This intriguing question comes from Inner Relationships of Different Parameters in chapter Two-Port Networks of Network Theory

For the given information Z11 = 3, Z12 = 1, Z21 = 2, Z22 = 1. What is

1.	For the given information Z11 = 3, Z12 = 1, Z21 = 2, Z22 = 1. What is the product of ∆y and ∆z is?(a) 3(b) 2(c) 1(d) 0I have been asked this question in exam.This intriguing question comes from Inner Relationships of Different Parameters in chapter Two-Port Networks of Network Theory
Answer» The CORRECT choice is (c) 1 To ELABORATE: ∆y is the determinant of y parameters and ∆Z is the determinant of z parameters. And we obtained ∆y = 1 and ∆z = 1. So their PRODUCT = (1) (1) = 1.

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