Noise in FM MCQ

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

• What is the auto correction function of white noise?
  ক

  Impulse Function

  খ

  Step Function

  গ

  Ramp Function

  ঘ

  Parabolic Function
• If we double the value of resistor then how it affects the thermal noise power?
  ক

  gets doubled

  খ

  gets halved

  গ

  gets quadrupled

  ঘ

  remains unchanged
• What is the maximum possible value of entropy?
  ক

  1

  খ

  ∞

  গ

  100

  ঘ

  50
• Bit is a unit of ________
  ক

  Channel Capacity

  খ

  Entropy

  গ

  Information

  ঘ

  Rate of information
• What is the power ratio of one decibel?
  ক

  2:1

  খ

  1.26:1

  গ

  3:1

  ঘ

  2.5:1
• Which is the true statement about noise performance of wideband FM system?
  ক

  it is independent of modulation index

  খ

  more prone to noise interference

  গ

  it is independent of signal to noise ratio

  ঘ

  it exhibits a threshold
• What is the spectral density of white noise?
  ক

  varies with bandwidth

  খ

  varies with frequency

  গ

  constant

  ঘ

  infinite
• What is the probability density function of thermal noise?
  ক

  Poisson

  খ

  Gaussian

  গ

  Binomial

  ঘ

  Bessel