Electrical Engineering > GATE 2015 SET-1 > Signal Flow Graphs
For the signal-flow graph shown in the figure, which one of the following expressions is equal to the transfer function Y(s)/X2(s) |X1(s)=0?
A
G1/(1+G2(1+G1))
B
G2/(1+G1(1+G2))
C
G1/(1+G1G2)
D
G2/(1+G1G2)

Correct : d

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