In two-port networks the parameter h12 is called _________(a) Short circuit input impedance(b) Short circuit current gain(c) Open circuit reverse voltage gain(d) Open circuit output admittanceThis question was posed to me in an online interview.My query is from Hybrid (h) Parameter topic in chapter Two-Port Networks of Network Theory

In two-port networks the parameter h12 is called _________(a) Short ci

1.	In two-port networks the parameter h12 is called _________(a) Short circuit input impedance(b) Short circuit current gain(c) Open circuit reverse voltage gain(d) Open circuit output admittanceThis question was posed to me in an online interview.My query is from Hybrid (h) Parameter topic in chapter Two-Port Networks of Network Theory
Answer» CORRECT choice is (c) Open circuit reverse voltage gain To explain: We KNOW that, h21 = \(\frac{V_1}{V_2}\), when I1 = 0. Since the CURRENT in the first loop is 0 when the ratio of the two voltages is measured, therefore the parameter h12 is called as Open circuit reverse voltage gain.

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