This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Fourier Transforms”. 1. Which of the following is the Analysis equation of Fourier Transform? a) b) c) d) 2. Choose the correct synthesis equation. a) b) c) d) 3. Find the fourier transform of an exponential signal f(t) = e-at u(t), … Read more
This set of Signals & Systems written test Questions & Answers focuses on “Fourier Series Analysis using Circuits”. 1. Given x (t) = [2 + e-3t] u (t). The final value of x(t) is ___________ a) 2 b) 3 c) e-3t d) 0 2. The Fourier series of the given signal is _______________ a) -4/π … Read more
This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Fourier Analysis”. 1. The CTFT of a continuous time signal x(t) = e-A|t|, A>0 is _________ a) b) c) d) 2. A signal x(t) has the Fourier transform X(jω) having the following facts: F-1{(1+jω) X(jω)} = Ae-2t u(t) and The signal … Read more
This set of Signals & Systems Question Paper focuses on “Exponential Fourier Series and Fourier Transforms”. 1. The Fourier transform of u (t) is B (jω) and the Laplace transform of u (t) is A(s). Which of the following is correct? a) B(jω) = A(s) b) A(s) = but B(jω) ≠ c) A(s) ≠ but … Read more
This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Power and Energy Signals”. 1. For any given signal, average power in its 6 harmonic components as 10 mW each and fundamental component also has 10 mV power. Then, average power in the periodic signal is _______________ a) 70 b) 60 … Read more
This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Average Power and Energy of a Signal”. 1. For the signal . It has how many poles and zeroes at infinity? a) 1, 0 b) 2, 2 c) 2, 0 d) 0, 0 2. The resultant signal obtained after frequency convolution … Read more
This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Trigonometric Fourier Series”. 1. The Fourier transform of sin(2πt) e-t u (t) is ____________ a) b) c) d) 2. The Fourier series coefficient of time domain signal x (t) is X[k] = jδ[k-1] – jδ[k+1] + δ[k+3] + δ[k-3], the fundamental … Read more
This set of Basic Signals & Systems Questions and Answers focuses on “Gibb’s Phenomena, Convergence of Fourier Series”. 1. When is the gibbs phenomenon present in a signal x(t)? a) Only when there is a discontinuity in the signal b) Only when the signal is discrete c) Only when there is a jump discontinuity in … Read more
This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Dirichlet’s Conditions”. 1. How many dirichlet’s conditions are there? a) One b) Two c) Three d) Four 2. What are the Dirichlet’s conditions? a) Conditions required for fourier series to diverge b) Conditions required for fourier series to converge if continuous … Read more
This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Symmetry Properties of the Fourier Series”. 1. How can fourier series calculations be made easy? a) Using symmetry conditions b) Using formula c) Using integration d) Calculations are easy anyways 2. What is the function of an even signal? a) x(t) … Read more
