Electrical Engineering > GATE 2015 SET-1 > State Space Analysis
In the signal flow diagram given in the figure, u1 and u2 are possible inputs whereas y1 and y2 are possible outputs. When would the SISO system derived from this diagram be controllable and observable?
A
When u1 is the only input and y1 is the only output.
B
When u2 is the only input and y1 is the only output.
C
When u1 is the only input and y2 is the only output.
D
When u2 is the only input and y2 is the only output.

Correct : b

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