Antenna Basics MCQ

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

• Power radiated from an antenna per unit solid angle is called radiation intensity.
  ক

  True

  খ

  False
• The solid area through which all the power radiated by the antenna is:
  ক

  Beam area

  খ

  Effective area

  গ

  Aperture area

  ঘ

  Beam efficiency
• An antenna has a field pattern E (θ) =cos θ. cos 2θ. The first null beam width of the antenna is:
  ক

  450

  খ

  900

  গ

  1800

  ঘ

  1200
• An antenna has a field pattern of E (θ) = cos2 θ, θ varies between 0 and 900. Half power beam width of the antenna is:
  ক

  330

  খ

  660

  গ

  12000

  ঘ

  None of the mentioned
• The beam width of the antenna pattern measured at half power points is called:
  ক

  Half power beam width

  খ

  Full null beam width

  গ

  Beam width

  ঘ

  None of the mentioned
• The number of patterns radiation pattern required to specify the characteristic are :
  ক

  Three

  খ

  Four

  গ

  Two

  ঘ

  Five
• When the separation between two lines that carry the TEM wave approaches λ the wave tends to be radiated.
  ক

  True

  খ

  False
• The basic equation of radiation that is applied to any antenna irrespective of the type of the antenna is:
  ক

  iL= Qv

  খ

  iQ = Lv

  গ

  i/L=Q/v

  ঘ

  None of the mentioned
• _________ is a device that converts electrons to photons or vice-versa.
  ক

  Antenna

  খ

  Electron gun

  গ

  Photon amplifier

  ঘ

  Microwave tube
• The basic requirements of transmitting antennas are:
  ক

  High efficiency

  খ

  Low side lobes

  গ

  Large signal to noise ratio

  ঘ

  Lone of the mentioned