A) the initial incident voltage that is applied to the sending-end of the line. B) the incident wave that is present on the line as a function of position. C) the reflected wave that is present on the line as a function of position. D) all of the above A-C are correct. E) none of the above A-C are correct.
The standing wave pattern on a transmission line: A) repeats every one-half wavelength of the traveling waveforms on the line. B) will have a maximum at the receiving end of the line if the line is un-terminated. C) is a repetitive pattern that varies from min to max to min to max, provided that the line is not terminated by a matched load. D) all of the above A-C are correct. E) none of the above A-D are correct.
A) defines the rate of decay of that traveling wave as it propagates down the line. B) defines the wavelength of the wave as it propagates down the line. C) will be purely imaginary for a lossless transmission line. D) all of the above A-C are correct. E) none of the above A-D are correct.
A reflected waveform: A) is a waveform that travels from the receiving end to the sending end of a line. B) will not exist on a transmission line that is terminated by a matched load. C) can only have a magnitude that is less than or equal to the magnitude of the incident wave that is present on the line. D) all of the above A-C are correct. E) none of the above A-D are correct.
With respect to decibels and dBm, A) decibels are defined in terms of a linear ratio of powers. B) a power value of 0 dBm is equivalent to a power value of 0 mW. C) a decibel attenuation of 20 dB corresponds to a decrease in power by a factor of 100. D) all of the above A-C are correct. E) none of the above A-D are correct.
With respect to transmission lines, the characteristic impedance of a line: A) provides a ratio of voltage to current for a traveling waveform incident or reflected on that line. B) is equivalent to the steady-state input impedance of the line. C) is a function of the length of the line. D) all of the above A-C are correct. E) none of the above A-D are correct.