Recent questions in Transmission lines

An air-filled rectangular waveguide has inner dimensions of $3 \mathrm{~cm} \times 2 \mathrm{~cm}$. The wave impedance of the $\mathrm{TE}_{20}$ mode of propagation in th...

A load of $50\; \Omega$ is connected in shunt in a $2$-wire transmission line of $Z_{0}=50 \;\Omega$ as shown in the figure. The $2$-port scattering parameter matrix $\te...

The parallel branches of a $2$-wire transmission line are terminated in $100 \; \Omega$ and $200 \; \Omega$ resistors as shown in the figure. The characteristic impedance...

One end of a loss-less transmission line having the characteristic impedance of $75 \; \Omega$ and length of $1 \mathrm{~cm}$ is short-circuited. At $3 \; \mathrm{GHz}$, ...

Consider a transmission line of characteristic impedance of $50 \; \mathrm{ohm}$. Let it be terminated at one end by $+j \; 50 \; \mathrm{ohm}$. The $\text{VSWR}$ produce...

Which of the following statements is true regarding the fundamental mode of the metallic waveguides shown?Only $\text{P}$ has no cutoff-frequencyOnly $\text{Q}$ has no cu...

A transmission line terminates in two branches, each of length $\lambda / 4$, as shown. The branches are terminated by $50 \; \Omega$ loads. The lines are lossless and ha...

A transmission line has a characteristic impedance of $50 \; \Omega$ and a resistance of $0.1 \; \Omega / \mathrm{m}$. If the line is distortionless, the attenuation cons...

In the circuit shown, all the Transmission line sections are lossless. The Voltage Standing Wave Ratio $\text{(VSWR)}$ on the $60 \Omega$ line is$1.00$$1.64$$2.50$$3.00$

A transmission line whose characteristic impedance is a pure resistancemust be a lossless linemust be a distortionless linemay not be a lossless line$(d)$ may not be a di...

The input impedance of a short-circuited lossless transmission line quarter wave length ispurely reactivepurely resistiveinfinitedependent on the characteristic impedance...

A transmission line of characteristic impedance $50\; \Omega$ is terminated by a $50\; \Omega$ load. When excited by a sinusoidal voltage source at $10\; \mathrm{GHz}$, t...

A transmission line of characteristic impedance $50 \; \Omega$ is terminated in a load impedance $\text{Z}_\text{L} .$ The $\text{VSWR}$ of the line is measured as $5$ an...

The impedance matching network shown n the figure is to match a lossless line having characteristic impedance $Z_{0}= 50 \:\Omega$ with a load impedance $Z_{L}$. A quarte...