1.

A control system whose step response is -0.5(1+e-2t) is cascaded to another control block whose impulse response is e-t. What is the transfer function of the cascaded combination?

A. 1/(s+2)(s+1)
B. 1/(s+1)s
C. 1/(s+3)
D. 0.5/(s+1)(s+2)
Answer» B. 1/(s+1)s


Discussion

No Comment Found