6. For a second order system
The damping ratio is :
(a) 0.1
(b) 0.25
(c) 0.333
(d) 0.5
7. Zero initial conditions means that the system is :
(a) working with zero stored energy
(b) working with zero reference signal
(c) at rest and no energy is stored in any of its components
(d) none of these
8. With feedback , the transient response of the system as compared to the that without feedback :
(a) decays slowly
(b) rises at faster rate
(c) rises at slower rate
(d) none of these
9. The Laplace transform of impulse is :
(a) zero
(b) one
(c) the inverse Laplace transform of G(s)H(s)
(d) none of these
10. A large time constant corresponds to a :
(a) sluggish system
(b) faster system
(c) overdamped system
(d) underdamped system
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