Welcome to your Transmission Lines/Antennas MCQ practice assessment.
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What is the longest wavelength that a 2.5-cm wide waveguide will support in the dominant mode (m = 1)?
__________ is the amount of voltage induced in a wave by an electromagnetic wave
What is the front-to-back ratio of an antenna which radiates 500 watts in a northernly direction and 50 watts in a southernly direction?
What is the orientation of the electric field of an antenna to the earth’s surface and antenna structure?
When a transmission line uses ground return, it is called a (n) _____ line.
Refers to the numeric ratio relating to the radiated signal strength of an antenna to that of another antenna
A transmission line consisting of center conductor, a plastic insulation, a fine wire braid shield and outer plastic insulation as a jacket
The frequency of operation of a dipole antenna cut to a length of 3.4 m a. 88 MHz
Two or more antennas are used, separated by several wavelengths
What is a short (< l/4) length of transmission line, shorted at one end and attached at the appropriate distance from the load for the purpose of matching a complex load to the transmission line?
Frequencies in the UHF range propagate by means of
An electromagnetic wave consists of
Calculate the time delay in nanosecond introduced by a 100 ft coaxial cable with a dielectric constant of 2.3.
Calculate the minimum length of a pair of conductors to be considered a transmission line, if its operating frequency is 800 MHz
What is the radiation characteristic of a dipole antenna?
Antenna which is not properly terminated
An open circuit line greater than wavelenght/4 but less than wavelenght/2 in length will exhibit _____ reactance.
Power loss due to increased effective resistance of a conductor at microwave frequencies due to skin effect
What is a disadvantage when using round rather than rectangular waveguide
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