Antenna Characteristics MCQ

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

• The receiving antenna is designed to have ____ side-lobe-ratio and ____ SNR.
  ক

  Low, high

  খ

  High, high

  গ

  Low, low

  ঘ

  High, low
• The angular distance between two successive nulls of main lobe is called as ______
  ক

  FNBW

  খ

  HPBW

  গ

  Beam width

  ঘ

  FBR
• Which of the following option is false?
  ক

  Omni-directional antenna is a special case of directional antenna

  খ

  Directional antenna radiates power effectively in particular directions compared to other directions

  গ

  Isotropic antenna radiates power in all directions

  ঘ

  End-fire array antenna has its main beam normal to the axis containing antenna
• Which of the following field varies inversely with r2?
  ক

  Far field

  খ

  Near field

  গ

  Radiation field

  ঘ

  Electrostatic field
• Relation between beam solid angle Ω, horizontal half-power beam width ∅A, vertical half-power beam width ∅E is __________
  ক

  Ω≈∅A.∅E

  খ

  Ω≈∅A+∅E

  গ

  Ω≈∅A/∅E

  ঘ

  Ω≈∅A-∅E
• Find the power radiated by an antenna whose radiation resistance is 100Ω and operating with 3A of current at 2GHz frequency?
  ক

  900W

  খ

  1800W

  গ

  450W

  ঘ

  700W
• A linear antenna having length less than λ/8 is called as _______
  ক

  Short monopole

  খ

  Short dipole

  গ

  Half-wave dipole

  ঘ

  Quarter-wave monopole