Power and Energy Signals MCQ

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

• Increased pulse-width in the flat-top sampling , leads to ______________
  ক

  Attenuation of high frequencies in reproduction

  খ

  Attenuation of low frequencies in reproduction

  গ

  Greater aliasing errors in reproduction

  ঘ

  No harmful effects in reproduction
• Let x(t) be a continuous time, real valued signal band limited to F Hz. The Nyquist sampling rate in Hz, for y(t) = x(0.5t) + x(t) – x(2t) is ______________
  ক

  F

  খ

  2F

  গ

  4F

  ঘ

  8F
• A band-limited signal with a maximum frequency of 5 kHz is to be sampled. According to the sampling theorem, the sampling frequency which is not valid is _______________
  ক

  5 kHz

  খ

  12 kHz

  গ

  15 kHz

  ঘ

  20 kHz
• The property of Fourier Transform which states that the compression in time domain is equivalent to the expansion in the frequency domain is ____________
  ক

  Duality

  খ

  Scaling

  গ

  Time scaling

  ঘ

  Frequency shifting
• 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 _______________
  ক

  70

  খ

  60

  গ

  10

  ঘ

  5