A transmission line
Specific equipment faults.
Internal equipment tests
Very low-resistance dielectric
Very high-resistance dielectric
Flexible coaxial cable.
Rigid coaxial cable.
Very slight damage to the external surface of a waveguide can cause arcing.
Their conductive material construction is easily dented.
Effectiveness of waveguides is hindered by moisture.
Waveguides can be destroyed by corrosion.
Inductance and resistance.
Inductance and capacitance.
Resistance and capacitance.
Length and type of shielding.
Frequency and electrical length are inversely proportional.
Frequency and physical length are directly proportional.
With constant physical length, frequency and electrical length are directly related.
With constant physical length, frequency and electrical length are inversely related.
Having reflected waves.
Having no reflected waves.
With maximum voltage across its open termination.
With maximum voltage across its shorted termination.
Signal loss would be negligible.
There would be significant signal loss.
Current would be at maximum at the termination.
Voltage would be at minimum at the termination.
An unproven hypothesis
The definition of propagation.
What makes radio transmission possible.
What led to the discovery of direct current.
60 cycles per second (cps).
Standing wave ratio.
Percent of modulation.