Question 19 Not yet answered Given below is the block diagram of a unity feedback continuous time system. a. Obtain the characteristic equation of the system (1 Mark) b. Check if the system satisfies the necessary and sufficient condition of Routh Hurwitz criteria for stability (3 Marks) C. Comment on the stability and the mumber of poles in Right half of a plane (1 Mark) Marked out of 5.00 P Flag question 2(S-2) (S-2.5)