Skip to content
Early access — you're among the first to try PYQLabs. Share feedback
Concept drill

vswr

GATE Electronics & Communication · Transmission Lines · 1987-2024

11
PYQs
82%
keyed
10
elite explanations
11
years appeared

Study anchor

Source-book anchor pending for this concept.

Practice action

Start latest PYQ

PYQs in this concept

All concepts →
2024 PYQ

A lossless transmission line with characteristic impedance $Z_0 = 50 \Omega$ is terminated with an unknown load. The magnitude of the reflection coefficient is $|\Gamma| = 0.6$. As...

easyelite explanation
2017 PYQ

A two wire transmission line terminates in a television set. The VSWR measured on the line is 5.8. The percentage of power that is reflected from the television set is

easyelite explanation
2013 PYQ

The return loss of a device is found to be 20 dB. The voltage standing wave ratio (VSWR) and magnitude of reflection coefficient are respectively.

easyanswer keyelite explanation
2011 PYQ

A transmission line of characteristic impedance 50 $$\Omega $$ is terminated in a load impedance $$Z_L$$. The VSWR of the line is measured as 5 and the first of the voltage naxima...

mediumanswer keyelite explanation
2002 PYQ

The VSWR can have any value between

easyanswer keyelite explanation
2001 PYQ

A uniform plane electromagnetic wave incident normally on a plane surface of a dielectric material is reflected with a VSWR of 3. What is the percentage of incident power that is r...

easyanswer key
1997 PYQ

A transmission line of 50$$\Omega $$ characteristic impedance is terminated with a 100 $$\Omega $$ resistance. The minimum impedance measured on the line is equal to

easyanswer keyelite explanation
1994 PYQ

If a pure resistance load, when connected to a lossless 75-ohm line, produces a VSWR of 3 on the line, then the load impedance can only be 25 ohms.

easyanswer keyelite explanation
1993 PYQ

Consider a transmission line of characteristic impedance 50 ohm. Let it be terminated at one end by ( + j50) ohm. The VSWR produced by it in the transmission line will be

easyanswer keyelite explanation
1989 PYQ

A 50 ohm lossless transmission line has a pure reactance of (j100) ohms as its load. The VSWR in the line is :

easyanswer keyelite explanation
1987 PYQ

A transmission line of pure resistive characteristic impedance is terminated with an unknown load. The measured value of VSWR on the line is equal to 2 and a voltage minimum point...

easyanswer keyelite explanation