1.

For signal flow graph shown in following figure determine the ratio X5|X1. Use Mason's gain formula for signal flow graph.

A. <img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/2-757-61-2.png">
B. <img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/2-757-61-3.png">
C. <img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/2-757-61-4.png">
D. None of these
Answer» B. <img src="/_files/images/electronics-and-communication-engineering/exam-question-papers/2-757-61-3.png">


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