Q.1
An L.T.I. system is stable if _______
  • a) Poles lie on left half of s-plane
  • b) The R.O.C. encompasses the imaginary axis
  • c) The poles lie on the left half of s-plane and the R.O.C. encompasses the imaginary axis
  • d) Cannot be determined
Q.2
The final value of the following transfer function is ________ F(s)= 2/s(s-824)
  • a) Not calculable
  • b) -1/412
  • c) 0
  • d) 1
Q.3
The number of inverse lapalace transform of a function is equal to ________
  • a) the number of poles
  • b) the number of poles+1
  • c) the number of poles-1
  • d) cannot be determined
Q.4
The laplace transform method used to solve a differential function is ____ than the classical way.
  • a) Easier
  • b) Harder
  • c) Moderately difficult
  • d) Relatively difficult
Q.5
The laplace transform of a cascaded system is defined if _______
  • a) the individual systems have a common R.O.C.
  • b) the individual systems doesn’t have a common R.O.C.
  • c) the impulse response of each system is defined
  • d) cannot be determined
Q.6
The inverse laplace transform of a function in s-domain is the transfer function of the system.
  • a) True
  • b) False
Q.7
The following output is defined for _______ >>ilaplace(1/s) >> ans= 1
  • a) t>0
  • b) t>=0
  • c) for all t
  • d) t<0
Q.8
The differential equation d2p/dt2=has a solution.
  • a) 3/(2*t3)
  • b) cannot be determined
  • c) no solution
  • d) ilaplace(9/s4)
Q.9
What is the output of the following code? syms t; laplace(-t/t)
  • a) The laplace transform of u(-t)
  • b) The laplace transform of -u(t)
  • c) The laplace transform of -u(-t)
  • d) The laplace transform of -u(t)
0 h : 0 m : 1 s