For the circuit given below, the value of the hybrid parameter h12 is ___________(a) 6 Ω(b) 5 Ω(c) 1 Ω(d) 2 ΩThe question was posed to me in homework.The doubt is from Hybrid (h) Parameter topic in division Two-Port Networks of Network Theory

For the circuit given below, the value of the hybrid parameter h12 is

1.	For the circuit given below, the value of the hybrid parameter h12 is ___________(a) 6 Ω(b) 5 Ω(c) 1 Ω(d) 2 ΩThe question was posed to me in homework.The doubt is from Hybrid (h) Parameter topic in division Two-Port Networks of Network Theory
Answer» Right choice is (C) 1 Ω The best I can explain: HYBRID PARAMETER h12 is GIVEN by, h12 = \(\frac{V_1}{V_2}\), when I1 = 0. Therefore short circuiting the terminal X-X’ we get, V1 = IA × 10 IA = \(\frac{I_2}{2}\) V2 = IB × 10 IB = \(\frac{I_2}{2}\) From the above 4 EQUATIONS, we get, ∴ \(\frac{V_1}{V_2} = \frac{I_2×10}{I_2×10}\) = 1 Hence h12 = 1 Ω.

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