The Impulse Function MCQ

Test your knowledge with important The Impulse Function MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more The Impulse Function MCQs at Bissoy

• How are discrete unit impulse functions and discrete time unit step functions related?
  ক

  They are inverse of each other

  খ

  ∂(n)=u(n)-u(n-1)

  গ

  ∂(n)=u(n)*2∂

  ঘ

  Integration of unit step function gives unit step function.
• What is the area under a doublet function?
  ক

  Unity

  খ

  Negative

  গ

  Zero

  ঘ

  Positive
• What is a doublet function?
  ক

  Branch of an impulse function

  খ

  The output of an impulse function

  গ

  The first derivative of an impulse function

  ঘ

  Any continuous time impulse function has another name that is doublet function
• Multiplication of a signal with a Unit Impulse function gives the value of the signal at which the impulse is located.
  ক

  True

  খ

  False
• Impulse function is an odd function.
  ক

  True

  খ

  False
• What properties does a Continuous time unit Impulse function follow?
  ক

  Shifting, sampling, differentiation, multiplication

  খ

  Multiplication, sampling, shifting

  গ

  Shifting, multiplication, differentiation

  ঘ

  Sampling only
• What are the singularity functions?
  ক

  Derivatives and integrals of unit impulse functions

  খ

  Derivatives of a unit impulse function

  গ

  Integrals of an impulse function

  ঘ

  Sum of successive impulse function
• Why is the impulse duration important?
  ক

  It is zero

  খ

  It changes with time

  গ

  It approaches zero

  ঘ

  It depends on the situation
• What is the area of a Unit Impulse function?
  ক

  Zero

  খ

  Half of Unity

  গ

  Depends on the function

  ঘ

  Unity
• What is the other name of a Continuous Time Unit Impulse Function?
  ক

  Dirac delta function

  খ

  Unit function

  গ

  Area function

  ঘ

  Direct delta function
• What is the relation between the unit impulse function and the unit ramp function?
  ক

  r = dd(t)/dt

  খ

  d = dr/dt

  গ

  d = d2(r)/dt2

  ঘ

  r = d2([/dt2
• In which of the following useful signals, is the bilateral Laplace Transform different from the unilateral Laplace Transform?
  ক

  d(t)

  খ

  s(t)

  গ

  u(t)

  ঘ

  all of the mentioned
• Where h*x denotes h convolved with x, find the value of d*d. . b) d. c) d2. d) d2.
  ক

  *d. ] d.

  খ

  n

  গ

  n

  ঘ

  n
• Where h*x denotes h convolved with x, x*d reduces to . b) x. c) x. d) x.
  ক

  *d reduces to ] x.

  খ

  n

  গ

  n

  ঘ

  n
• Find the value of 2sgn(0)d + d + d, where sgn(x) is the signum function.
  ক

  + d + d, where sgn(x) is the signum function. ] 2

  খ

  0

  গ

  0

  ঘ

  0
• The convolution of a discrete time system with a delta function gives
  ক

  the square of the system

  খ

  the system itself

  গ

  the derivative of the system

  ঘ

  the integral of the system
• Is it practically possible for us to provide a perfect impulse to a system?
  ক

  Certainly possible

  খ

  Impossible

  গ

  Possible

  ঘ

  None of the mentioned
• What is the definition of the delta function in time space intuitively?
  ক

  Defines that there is a point 1 at t=0, and zero everywhere else

  খ

  Defines that there is a point 0 at t=0, and 1 everywhere else

  গ

  Defines 1 for all t > 0, and 0 else

  ঘ

  Defines an impulse of area 1 at t=0, zero everywhere else
• How is the discrete time impulse function defined in terms of the step function? = u – u. b) d = u – u. c) d = u – u. d) d = u – u.
  ক

  d = u – u.

  খ

  n

  গ

  n

  ঘ

  n