QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS | 100% CORRECT
A transmission line is designed to perform which of the following functions? -
ANSWERS Guide electrical energy from point to point
All transmission lines must have two ends, the input end and the output end.
What other name is given to the input end? - ANSWERS Each of the above
A measurement of the voltage to current ratio (Ein/Iin) at the input end of a
transmission line is called the - ANSWERS input impedance
Which of the following lines is NOT a transmission medium? - ANSWERS Load
line
Electrical power lines are most often made of which of the following types of
transmission lines? - ANSWERS Two-wire open line
Uniform capacitance throughout the length of the line is an advantage of which of
the following transmission lines? - ANSWERS Shielded pair
What is the primary advantage of a rigid coaxial line? - ANSWERS Inexpensive
construction
, Which of the following wave-guides is seldom used because of its large energy
loss characteristics? - ANSWERS Dielectric
To some degree, transmission lines always exhibit which of the following types of
losses? - ANSWERS Each of the above
Skin effect is classified as which of the following types of loss? - ANSWERS
Copper
What transmission-line loss is caused by magnetic lines of force not returning to
the conductor? - ANSWERS Radiation
What is the electrical wave-length of 1 cycle if the frequency is 60 hertz? -
ANSWERS 5,000,000 meters
A transmission line 10 meters in length is considered to be electrically long at
which of the following frequencies? - ANSWERS 60 megahertz
The conductance value of a transmission line represents which of the following
values? - ANSWERS Expected value of current flow through the insulation
Electrical constants in a transmission line are distributed in which of the following
ways? - ANSWERS Along the length of the line