Integration – 1 MCQ’s

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This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Integration – 1″.

1. What will be the command to find the current through a 1H inductor (no initial current) whose voltage changes by v=t2?
a) int(‘t2’)
b) intg(‘t2’)
c) int(t2)
d) Cannot be determined

2. The code quad(‘x.^2’,-3,2) is same as ___________
a) quad(‘x.^2’,-2,3)
b) quad(‘x.^2’,-3,2)
c) quad(x.^2,3,-2)
d) quad(‘x^2’,-2,-3)

3. The command quad() cannot do ______ integrals.
a) Definite
b) Indefinite
c) Particular
d) Any

4. The int() function gives the __________
a) general solution of the ODE
b) general solution of the function
c) particular integral of a function
d) complementary function

5. The capacitor voltage due to a current of i=t4with v(0+)=3 is found from using _________
a) ODE solver
b) int() command
c) quad() command
d) diff() command

6. Double integration of a function can be done by using the _____ command.
a) int(int(func))
b) int(‘int(‘func’)’)
c) quad(int(func))
d) cannot be done

7. The class of the result of an indefinite integration is always _____________
a) Signed
b) Double
c) Array
d) Symbolic

8. The output of int(x^2,1,3) and quad(‘x. ^2,1,3) is ________
a) Same
b) Different
c) Maybe different
d) Error

9. How will ∫exx look like, in MATLAB?
a) Infinite series
b) expint(x)
c) ei(x)
d) Error

10. The accuracy of quad() is ___________
a) very low
b) low
c) moderate
d) high

11. The command to get more accurate solution for definite integration is ______________
a) int()
b) quad()
c) quadl()
d) not present in MATLAB

12. The quad command cannot do ______________
a) Low accuracy integration
b) Definite integration
c) Any integration
d) Indefinite integration

13. We cannot find the integrator, made with an OP-amp, response using the quad() command at steady state.
a) True
b) False

14. The function, as an input to the quad command, is given as _______________
a) Symbolic argument
b) String argument
c) Double argument
d) Rational argument

15. Can we do Vector integration in MATLAB?
a) Yes
b) No
c) In some cases
d) Only single integral

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