End Fire Array MCQ

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

• Which of the following is the correct condition of an ordinary end-fire array?
  ক

  β=±kd

  খ

  β=kd

  গ

  β > kd

  ঘ

  β < ±kd
• Find the overall length of an end-fire array with 10 elements and spacing λ/4.
  ক

  \(\frac{9λ}{4}\)

  খ

  \(\frac{5λ}{4}\)

  গ

  \(\frac{5λ}{2}\)

  ঘ

  \(\frac{9λ}{2}\)
• Which of the following statements is true regarding end-fire array?
  ক

  The necessary condition of an ordinary end-fire array is β=±kd+nπ

  খ

  The phase excitation difference is zero

  গ

  Same input current is fed through the array, but the phase excitation is varies progressively

  ঘ

  Maximum radiation occurs at normal to the axis of array
• The phase excitation difference is zero in end-fire array.
  ক

  True

  খ

  False
• The direction of maximum radiation in end-fire array is ______ with respect to the array axis.
  ক

  0° or 180°

  খ

  90°

  গ

  45°

  ঘ

  270°