11. The eigenvalues of the state model are the same as the :

(a) open-loop poles

(b) closed-loop poles

(c) both the open-loop and closed-loop poles

(d) none of these

12. The state variable approach is applicable to :

(a) only linear time-invariant systems

(b) linear time-invariant as well as time-varying systems

(c) linear as well as nonlinear systems

(d) all systems

13. Φ (s) is called the :

(a) state transition matrix

(b) resolution matrix

(c) resolvent matrix

(d) transfer matrix

14. Using state variables, an nth – order differential equation can be decomposed into :

(a) n number of first – order differential equations

(b) n/2 number of first – order diffferential equations

(c) unlimited number of first – order differential equations

(d) none of these

15. D is called the :

(a) system matrix

(b) transmission matrix

(c) transfer matrix

(d) output matrix

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