Single Stub Matching MCQ

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

• In series stub matching, if the normalized impedance at a point on the transmission line to be matched is 1+j1.33. Then the reactance of the series stub used for matching is:
  ক

  1 Ω

  খ

  -1.33 Ω

  গ

  -1 Ω

  ঘ

  1.33 Ω
• After impedance matching, if a graph is plot with frequency v/s reflection co-efficient of the transmission line is done, then at the frequency point for which the design is done, which of the following is true?
  ক

  There is a peak at this point of the curve

  খ

  There is a dip at this point of the curve

  গ

  The curve is a straight line

  ঘ

  Such a plot cannot be obtained
• If the normalized admittance at a point on a transmission line to be matched is 1+j1.47. Then the normalized susceptance of the stub used for shunt stub matching is:
  ক

  1Ω

  খ

  1.47 Ω

  গ

  -1.47 Ω

  ঘ

  -1 Ω
• For a load impedance of ZL=60-j80. Design of 2 single-stub shunt tuning networks to match this load to a 50Ω line is to be done. What is the normalized admittance obtained so as to plot it on smith chart?
  ক

  1+j

  খ

  0.3+j0.4

  গ

  0.4+j0.3

  ঘ

  0.3-j0.4
• For co-axial lines and waveguides, ________ is more preferred.
  ক

  Open circuited stub

  খ

  Short circuited stub

  গ

  Slotted section

  ঘ

  Co-axial lines cannot be impedance matched
• For series stub matching, the parameter used for matching is:
  ক

  Impedance of the transmission line at a point

  খ

  Voltage at a point on the transmission line

  গ

  Admittance at a point on the transmission line

  ঘ

  Admittance of the load
• In shunt stub matching, the key parameter used for matching is:
  ক

  Admittance of the line at a point

  খ

  Admittance of the load

  গ

  Impedance of the stub

  ঘ

  Impedance of the load
• The two adjustable parameters in single stub matching are distance‘d’ from the load to the stub position, and _________
  ক

  Susceptance or reactance provided by the stub

  খ

  Length of the stub

  গ

  Distance of the stub from the generator

  ঘ

  None of the mentioned
• Shunt stubs are preferred for:
  ক

  Strip and microstrip lines

  খ

  Coplanar waveguides

  গ

  Circular waveguide

  ঘ

  Circulators
• The major advantage of single stub tuning over other impedance matching techniques is:
  ক

  Lumped elements are avoided

  খ

  It can be fabricated as a part of transmission line media

  গ

  It involves two adjustable parameters

  ঘ

  All of the mentioned