Question

For the given information Z11 = 3, Z12 = 1, Z21 = 2, Z22 = 1. Find the value of Y12.

(a) -2

(b) 2

(c) -1

(d) 1

I have been asked this question in homework.

I'm obligated to ask this question of Inner Relationships of Different Parameters in division Two-Port Networks of Network Theory

Answer 1

Correct option is (c) -1

To elaborate: Y12 = -Z12/∆z and ∆z=3-2=1 and Z12 = 1. So on substituting we get Y12=-1/1=-1.