Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Given the systems (i) y(n) = n x(n) and (ii) y(n) = ex(n)

A. (i) and (ii) are non linear
B. (i) and (ii) are linear
C. (i) is linear and (ii) is non linear
D. (i) is non linear and (ii) is linear
Answer» D. (i) is non linear and (ii) is linear
2.

HOW_CAN_WE_CHECK_IN_MATLAB_IF_AN_ELECTRICAL_CIRCUIT_IS_LINEAR_OR_NOT??$

A. Check consistency
B. Superposition
C. Superposition via Simulink
D. Check homogeneity
Answer» C. Superposition via Simulink
3.

How_can_we_find_the_solution_of_a_nonhomogeneous_system_of_equations_without_dealing_with_the_rank_of_matrices?$

A. Rouche’s theorem
B. Cramer’s rule
C. Gauss’s law
D. Cannot be done
Answer» B. Cramer‚Äö√Ñ√∂‚àö√ë‚àö¬•s rule
4.

To check the rank of a non-singular square matrix, we have to use ___________

A. not required
B. rankm()
C. rankmatr()
D. rank()
Answer» C. rankmatr()
5.

To apply superposition in MATLAB, the condition, one of the condition is ___________

A. No active element is present except sources
B. No passive element is present
C. System should have unilateral elements
D. Nothing needs to be checked
Answer» B. No passive element is present
6.

To apply Cramer’s rule, the condition is _________$

A. Non-homogeneous system of equations
B. Homogeneous system of equations
C. Determinant of co-efficient matrix is not equal to 0
D. No condition
Answer» B. Homogeneous system of equations
7.

In MATLAB, how can we check linearity of systems represented by transfer function?

A. Check waveforms after superpostion
B. Compare rank of matrices
C. Go for Rouche’s Theorem
D. Intuition
Answer» D. Intuition
8.

Checking the linearity of a system, the first thing we need to check is whether the system is __________

A. Homogeneous or not
B. Consistent or not
C. Superposition
D. Depends on the representation of the system
Answer» B. Consistent or not
9.

The nature of the eigen matrix displayed in MATLAB is ___________

A. Unsorted
B. Sorted
C. Sorted in Ascending order
D. Sorted in Descending order
Answer» E.
10.

The command to find the eigen vector of a matrix in matrix form is _____________

A. eig(a,matrix)
B. eig(a,’matrix’)
C. eigen(a,matr)
D. eig(a)
Answer» B. eig(a,‚Äö√Ñ√∂‚àö√ë‚àö¬•matrix‚Äö√Ñ√∂‚àö√ë‚àö¬•)
11.

A student has to find a solution for a system of equations having three variables. He has defined the coefficient matrix as C while the variable matrix as d. He observes that the system is homogeneous. So, to find the solution, he must first check

A. Consistency
B. Homogeneity
C. Heterogeneity
D. Linearity
Answer» C. Heterogeneity
12.

What is a linear system?

A. A system which follows homogeneity and additivity
B. A system which follows additivity
C. A system which follows homogeneity
D. Almost every system is linear
Answer» B. A system which follows additivity