Detection of AM Waves MCQ

Test your knowledge with important Detection of AM Waves MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Detection of AM Waves MCQs on Bissoy. Bissoy App

• Diameter of antenna is doubled. The maximum range will ________
  ক

  be doubled

  খ

  be halved

  গ

  become four times

  ঘ

  decrease to one fourth
• FSK system involves ________
  ক

  frequency modulation

  খ

  pulse modulation

  গ

  amplitude modulation

  ঘ

  phase modulation
• Bandwidth of RF amplifier for a color TV receiver is ________
  ক

  equal to channel width

  খ

  more than channel width

  গ

  less than channel width

  ঘ

  twice of channel width
• Contrast function in TV is done by ________
  ক

  Luminance amplifier

  খ

  Schmitt trigger

  গ

  Band Pass Filter

  ঘ

  Chroma amplifier
• Mass of any moving system is represented by ________
  ক

  a resistance

  খ

  a conductance

  গ

  a resistivity

  ঘ

  an inductance
• PDM is generated by ________
  ক

  Bistable multivibrator

  খ

  Monostable multivibrator

  গ

  Astable multivibrator

  ঘ

  Schmitt trigger
• According to Fourier analysis, square wave can be represented as ________
  ক

  fundamental sine wave and even harmonics

  খ

  fundamental sine wave and odd harmonics

  গ

  fundamental sine wave and harmonics

  ঘ

  fundamental and sub harmonic sine wave
• What do you understand by the term “carrier”?
  ক

  waveform with constant frequency, phase and amplitude

  খ

  waveform for which frequency, amplitude or phase is varied

  গ

  waveform with high amplitude, low frequency and constant phase

  ঘ

  waveform to be transmitted
• Most commonly used modulation system for telegraphy is ________
  ক

  Multi-tone modulation

  খ

  Single tone modulation

  গ

  PCM

  ঘ

  FSK
• Detection is same as ________
  ক

  Modulation

  খ

  Mixing

  গ

  Filtering

  ঘ

  Demodulation