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Use mason’s gain formula to find the transfer function of the given signal flow graph:

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Use mason’s gain formula to find the transfer function of the given signal flow graph:

(a) abd/1-(ac)

(b) abdeg/1-(bc+ef)+bcef

(c) abd/1-(bc+ef)+bcef

(d) adcdef/1-(bc+ef)+bcef

I got this question in semester exam.

I need to ask this question from Signal Flow Graphs in portion Mathematical Models of Physical Systems of Control Systems

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Right choice is (b) abdeg/1-(bc+ef)+bcef

The best I can explain: Using mason’s gain formula transfer function from signal flow graph can be calculated which relates the forward path gain to the various paths and loops.

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