logo

CuriousTab

CuriousTab

Discussion


Home Electronics and Communication Engineering Signals and Systems Comments

  • Question
  • A signal g(t) = A then g(t) is a


  • Options
  • A. energy signal
  • B. power signal
  • C. neither energy nor power signal
  • D. insufficient data

  • Correct Answer
  • power signal 

    Explanation
    A signal g(t) = A then g(t) is a energy signal power signal neither energy nor power signal insuffic.

    Signals and Systems problems


    Search Results


    • 1. Which one is a causal system?

    • Options
    • A. y(n) = 3x[n] - 2x[n - 1]
    • B. y(n) = 3x[n] + 2x[n + 1]
    • C. y(n) = 3x[n + 1] + 2x[n - 1]
    • D. y(n) = 3x[n + 1] 2x[n - 1] + x[n]
    • Discuss
    • 2. The final value theorem is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 3. The z-transform of a particular signal is given
      where

      The system after implementation will be

    • Options
    • A. casual and stable
    • B. non-casual and stable
    • C. non-casual and unstable
    • D. casual and unstable
    • Discuss
    • 4. Laplace transform of a pulse function of magnitude E and duration from t = 0 to t = a is

    • Options
    • A. E / s
    • B.
    • C.
    • D.
    • Discuss
    • 5. Inverse Laplace transform of is

    • Options
    • A. 2 exp (- 2.5 t) cosh (0.5 t)
    • B. exp (- 2 t) + exp (- 3 t)
    • C. 2 exp (- 2.5 t) sinh (0.5 t)
    • D. 2 exp (- 2.5 t) cos 0.5 t
    • Discuss
    • 6. A box has 4 white and 3 red balls. Two balls are taken out in succession. What is the probability that both are white?

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 7. If and A + B is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 8. In Laplace transform, multiplication by e-at in time domain becomes

    • Options
    • A. translation by a in s domain
    • B. translation by (-a) in s domain
    • C. multiplication by e-as in s domain
    • D. none of the above
    • Discuss
    • 9. A first order system will never be able to give a __________ response

      1. band stop
      2. band pass
      3. all pass
      Choose the correct option

    • Options
    • A. 1, 2, 3 true
    • B. 1 and 3 true, 2 false
    • C. 1, 2 are true 3 is false
    • D. 1, 2 are false, 3 is true
    • Discuss
    • 10. The ROC of sequence in the Z.T. of sequence x[n] = an ? [n] is

    • Options
    • A. z > a
    • B. z < a
    • C. |z| > a
    • D. |z| < a
    • Discuss


    Comments

    There are no comments.

Enter a new Comment