Q.1
How does a shorted transmission line appear to a generator whose length is a quarter of the wavelength?
  • a) Very high impedance
  • b) Very low impedance
  • c) Short circuited line
  • d) RC tuned circuit
Q.2
How does a shorted transmission line appear to a generator whose length is a quarter of the wavelength?
  • a) Very high impedance
  • b) Very low impedance
  • c) Short circuited line
  • d) RC tuned circuit
Q.3
When a shorted line does looks like a series resonant circuit to the generator?
  • a) Length of line is one quarter wavelength
  • b) Length of line is one half wave lengths
  • c) Sorted line
  • d) Open line
Q.4
When does a shorted transmission line look like an inductor to the generator?
  • a) Length is one quarter wavelength
  • b) Length is between one quarter and one half of wavelength
  • c) Length is more the one half of the wavelength
  • d) At all times
Q.5
The characteristics of an open transmission line are just the opposite of shorted transmission line with respect to what the generator sees.
  • a) True
  • b) False
Q.6
When does an open transmission line look like an inductor to the generator?
  • a) Length is one quarter wavelength
  • b) Length is between one quarter and one half of wavelength
  • c) Length is more the one half of the wavelength
  • d) At all times
Q.7
The impedance of a line is zero when ___________
  • a) It acts as inductor
  • b) It acts as capacitor
  • c) It acts as a resistor
  • d) Series resonant circuit
Q.8
The special transmission lines constructed on PCBs to act as tuned circuits is called as?
  • a) Stripline
  • b) Loop lines
  • c) Printed lines
  • d) Transmission lines
Q.9
Which of the following is not true with respect to microstrip?
  • a) Used for transmission in UHF and microwave region
  • b) Copper is etched on an insulating base material
  • c) Point to point communications with wire are eliminated
  • d) Microstrip is ever onequarter or one-half wavelength long.
Q.10
What is the characteristic impedance of microstrip with the dimensions h = 0.in, w = 0.1 in, t = 0.in, and ε= 4.5?
  • b) 42.6Ω
  • c) 53.9Ω
  • d) 65.21Ω
  • a) 84.35Ω
Q.11
What is the transmission line in which a flat conductor is sandwiched between two ground planes?
  • a) Microstrip
  • b) Stripline
  • c) Coaxial line
  • d) Balanced line
Q.12
Microstrip and striplines can be made by using monolithic, thin-film, and hybrid IC techniques to produce ________
  • a) Micro circuits
  • b) Microwave integrated circuits
  • c) Nano circuits
  • d) Embedded circuits
Q.13
A microstrip transmission line is to be used as a capacitor of 4 pF atMHz. The PCB dielectric is 3.The microstrip dimensions are h = 0.in, w = 0.in, and t = 0.in. What is the characteristic impedance of the line?
  • a) 48.9Ω
  • b) 12.3Ω
  • c) 54.3Ω
  • d) 65.7Ω
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