Why signal flow graph is used? All Questions › Category: Control System › Why signal flow graph is used? 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) To find stability of systemb) To find transfer function of systemc) To find poles of systemd) All of the above 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is To find transfer function of system