Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 5 (Q.No. 10)
10.
An electrical system and its signal-flow graph representation are shown in figure (a) and (b) respectively
The values of G2 and H, respectively are
The values of G2 and H, respectively are
Answer: Option
Explanation:
Vi(s) = Z1I1 + Z3(I1 - I2) ...(i)
V0(s) = Z4I2
I2(Z3 + Z2 + Z4) = Z3I1 ...(ii)
From signal flow graph
I2 = I1G2 ⇒ 
Hence, 
...(iii)
From SFG ...(iv)
From (ii), (iii), (iv) we get H.
Discussion:
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