Electromagnetic Theory Basic Online Exam Quiz
Electromagnetic Theory Basic GK Quiz. Question and Answers related to Electromagnetic Theory Basic. MCQ (Multiple Choice Questions with answers about Electromagnetic Theory Basic
The source voltage of a 75ohm transmission line is given by 150V. Find the load current.
Options
A : 0.5
B : 2
C : 4
D : 1
For efficient transmission, the characteristic impedance of the transmission line has to be
Options
A : 50 ohm
B : 75 ohm
C : Either 50 or 75 ohm
D : Neither 50 nor 75 ohm
The cavity resonators are used in the klystron amplifiers for
Options
A : Amplifying RF signals
B : Amplifying microwave signals
C : Attenuating RF signals
D : Attenuating microwave signals
The cavity resonators used in the reflex klystron oscillators are for
Options
A : Generating RF signals
B : Generating microwave signals
C : Amplifying RF signals
D : Amplifying microwave signals
The guided terminations are used to
Options
A : Increase reflection
B : Increase transmission
C : Eliminate reflection loss
D : Eliminate attenuation
Which of the following parameter cannot be calculated from the standing waves?
Options
A : Peak voltage and peak current
B : SWR
C : Reflection and transmission coefficients
D : Attenuation constant
Which type of wave does the resonant cavity produce?
Options
A : Standing waves
B : Guided waves
C : Transmitted waves
D : Attenuated waves
The waveguides are terminated by the procedure of
Options
A : Trimming
B : Polishing
C : Tapering
D : Pruning
One of the applications of the cavity resonators is duplexer in RADAR systems. State true/false.
Options
A : True
B : False
C :
D :
Cavity wave meters are used to measure which parameter of the wave?
Options
A : Wavelength
B : Reflection factor
C : Phase
D : Frequency
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