Question

In the circuit shown below, find the transmission parameter D.

(a) 1/5

(b) 3/5

(c) 7/5

(d) 9/5

I got this question during an interview for a job.

I'd like to ask this question from Transmission(ABCD) Parameters topic in division Two-Port Networks of Network Theory

Answer 1

The correct option is (c) 7/5

For explanation I would say: D is a transmission parameter and is given by D = -I1/I2 |V2=0. Short circuiting b-b^‘, I1 = 7/17 V1 and-I2 = 5/17 V1. So we get I1/I2 = 7/5. So D=7/5.