Loading...

Loading, please wait...

ExamDost Practice Questions

Practice over 1000+ GATE-level questions from this topic!

Designed to match the latest GATE pattern with topic-wise precision, difficulty tagging, and detailed solutions.

Q#1 Transmission Lines GATE EC 2023 MSQ +2 marks -0 marks

The standing wave ratio on a  lossless transmission line terminated in an unknown load impedance is found to be 2.0. The distance between successive voltage minima is 30 cm and the first minimum is located at 10 cm from the load.  can be replaced by an equivalent length  and terminating resistance  of the same line. The value of  and , respectively, are

Explanation:

Given

As we know that,

 

Now, distance between successive voltage minima

 

Also, for minima,

 

At , 1st minima,

 

 

 

 

 

 

 

 

 

  

Here,

 Going through options,

 satisfy this

identity, hence option (b) and (c) are correct.’

Browse Practice Questions by Chapters / Topics in Browse Practice Questions by Chapters / Topics in GATE Electronics and Communications
Total Questions

Attempted

% Attempted

Correct

% Correct

Topic Questions Attempted Correct
Network Analysis 14 0 0
Electronic Devices 13 0 0
Analog Electronics 25 0 0
Digital Electronics 17 0 0
Signals and Systems 22 0 0
Control Systems 16 0 0
Communication System 20 0 0
EMFT - ECE 14 0 0
Engineering Mathematics 24 0 0
General Aptitude 30 0 0