Top 150+ Solved Radiation and Microwave Techniques MCQ Questions Answer
Q. . Which of the following parameters is not a primary parameter?
a. resistance
b. attenuation constant
c. capacitance
d. conductance
Q. For a matched line, the input impedance will be equal to
a. load impedance
b. characteristic impedance
c. output impedance
d. zero
Q. The average power in an electromagnetic wave is given by
a. propagation constant
b. pointing vector
c. phase constant
d. attenuation constant
Q. The characteristic impedance of a transmission line is normally chosen to be
a. 50
b. 75
c. 50 or 75
d. 100
Q. Identify the material which is not present in a transmission line setup.
a. waveguides
b. cavity resonator
c. antenna
d. oscillator
Q. The best stub selection for the transmission line will be
a. series open
b. series short
c. shunt open
d. shunt short
Q. The phenomenon employed in the waveguide operation is
a. reflection
b. refraction
c. total internal reflection
d. adsorption
Q. The dominant mode in waveguide is the mode which has
a. highest frequency
b. highest wavelength
c. lowest phase constant
d. highest attenuation
Q. The modes are calculated from which parameter?
a. frequency
b. wavelength
c. phase constant
d. v number
Q. The circular waveguides use which function in the frequency calculation?
a. laplace function
b. schottky function
c. bessel function
d. transfer function
Q. The scattering parameters are used to indicate the
a. permittivity and permeability
b. electric and magnetic field intensities
c. reflection and transmission coefficients
d. frequency and wavelength
Q. The waveguides are materials with characteristics of
a. low bulk resistivity
b. high bulk resistivity
c. high conductivity
d. low conductivity