Q.1
The source voltage of a 75ohm transmission line is given by 150V. Find the load current.
  • a) 0.5
  • b) 2
  • c) 4
  • d) 1
Q.2
The guided terminations are used to
  • a) Increase reflection
  • b) Increase transmission
  • c) Eliminate reflection loss
  • d) Eliminate attenuation
Q.3
Which type of wave does the resonant cavity produce?
  • a) Standing waves
  • b) Guided waves
  • c) Transmitted waves
  • d) Attenuated waves
Q.4
Which of the following parameter cannot be calculated from the standing waves?
  • a) Peak voltage and peak current
  • b) SWR
  • c) Reflection and transmission coefficients
  • d) Attenuation constant
Q.5
For efficient transmission, the characteristic impedance of the transmission line has to be
  • a) 50 ohm
  • b) 75 ohm
  • c) Either 50 or 75 ohm
  • d) Neither 50 nor 75 ohm
Q.6
The cavity resonators are used in the klystron amplifiers for
  • a) Amplifying RF signals
  • b) Amplifying microwave signals
  • c) Attenuating RF signals
  • d) Attenuating microwave signals
Q.7
The cavity resonators used in the reflex klystron oscillators are for
  • a) Generating RF signals
  • b) Generating microwave signals
  • c) Amplifying RF signals
  • d) Amplifying microwave signals
Q.8
One of the applications of the cavity resonators is duplexer in RADAR systems. State true/false.
  • a) True
  • b) False
Q.9
Cavity wave meters are used to measure which parameter of the wave?
  • a) Wavelength
  • b) Reflection factor
  • c) Phase
  • d) Frequency
Q.10
The waveguides are terminated by the procedure of
  • a) Trimming
  • b) Polishing
  • c) Tapering
  • d) Pruning
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