Q. What the model of transmission line that appears as a distributed low-pass filter consisting of series inductors and resistors and shunt capacitors and resistors called?

View solution

Q. What is the surge impedance if a capacitance of 0.0022 μF (2200 pF) is measured for 100 ft and the inductance of each conductor is measured separately and then added, for a total of 5.5 μH?

View solution

Q. The characteristic impedance of a cable of length 1m is 50 Ω. What is the characteristic impedance of the same cable of length 100 m?

View solution

Q. Speed of signal in transmission line is equal to the speed of light.

View solution

Q. The velocity factor of a coaxial cable is typically 0.8. What is the speed of transmission?

View solution

Q. What is the velocity factor of a coaxial cable having an insulator with dielectric constant 2.1?

View solution

Q. Calculate the velocity factor if the transmission speed is 2.04 x 10⁸.

View solution

Q. What type of transmission line is used to intentionally delay the signal?

View solution

Q. If the capacitance of a particular line is 30 pF/ft and its inductance is 0.075 μH/ft,What is the delay time?

View solution

Q. What is the phase shift for a transmission line which carries a signal of time period 250 ns and has a delay of 75 ns?

View solution

Q. What is the time delay in a coaxial cable is the dielectric constant is 2.3?

View solution

Q. Which of the following does not cause standing waves?

View solution

Q. Which of the following is not true regarding standing wave?

View solution

Q. What is the load on a transmission line?

View solution

Q. The transmission line in which the resistive impedance is equal to the characteristic impedance is called _____

View solution

Q. How would the graph of wavelength vs voltage look like if the transmission line is matched (neglect resistive loss)?

View solution

Q. In an unmatched line the actual signal on the line is ___________

View solution

Q. What is the Standing wave ratio if a 75 Ω antenna load is connected to a 50 Ω transmission line?

View solution

Q. The ratio of the incident voltage wave Vᵢ to the reflected voltage wave Vᵣ is called the reflection coefficient.

View solution

Q. What is the reflection coefficient If a line is terminated in its characteristic impedance?

View solution