Question

In two-port networks the parameter g12 is called _________ (a) Short circuit input impedance (b) Short circuit current gain (c) Open circuit reverse voltage gain (d) Open circuit output admittance This question was addressed to me in an interview for job. My doubt is from Inverse Hybrid (g) Parameter topic in section Two-Port Networks of Network Theory Select the correct answer from above options network theory questions and answers, network theory questions pdf, network theory question bank, network theory gate questions and answers pdf, mcq on network theory pdf, gate network theory questions and solutions, network theory mcq Test , ies network theory questions, Network theory Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)

Answer 1

Right option is (c) Open circuit reverse voltage gain Explanation: We know that, g12 = \frac{I_1}{I_2} , when V1 = 0. Since the primary terminal is short circuited and the ratio of the two currents is measured, therefore the parameter g12 is called as Short circuit current ratio.