# 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*t^{3})

b) cannot be determined

c) no solution

d) ilaplace(9/s^{4})

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