# Laplace Transform – 2 MCQ’s

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Laplace Transform – 2″.

1. 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

2. 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

3. 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

4. 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

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

6. What is the output of the following code?

`laplace[t,t,2]`

a) 1/16
b) Error
c) 1/s^2
d) Cannot be determined

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

8. The inverse laplace transform of a function in s-domain is the transfer function of the system.
a) True
b) False

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)

10. The differential equation d2p/dt2=9t has a solution.
a) 3/(2*t3)
b) cannot be determined
c) no solution
d) ilaplace(9/s4) 5 Star
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