1

GATE ECE 2005

MCQ (Single Correct Answer)

+2

-0.6

Voltage standing wave pattern in a lossless transmission line with characteristic impedance 50 $$\Omega $$ and a resistive load is shown in Fig.
The reflection coefficient is given by

2

GATE ECE 2004

MCQ (Single Correct Answer)

+2

-0.6

A lossless transmission line is terminated in a load which reflects a part of the incident power. The measured VSWR is 2. The percentage of the power that is reflected back is

3

GATE ECE 2004

MCQ (Single Correct Answer)

+2

-0.6

Consider a 300$$\Omega $$, quarter-wave long (at 1 GHz) transmission line as shown in Fig. It is connected to a 10V, 50$$\Omega $$ sources at one end and is left open circuited at the other end. The magnitude of the voltage at the open circuit end of the line is

4

GATE ECE 2004

MCQ (Single Correct Answer)

+2

-0.6

Consider an impedance Z = R + jX marked with point P in an impedance Smith chart as shown in Fig. The movement from point P along a constant resistance circle in the clockwise direction by an angle $${45^ \circ }$$ is equivalent to

Questions Asked from Transmission Lines (Marks 2)

Number in Brackets after Paper Indicates No. of Questions

GATE ECE 2016 Set 2 (2)
GATE ECE 2015 Set 3 (2)
GATE ECE 2014 Set 2 (1)
GATE ECE 2014 Set 1 (1)
GATE ECE 2012 (1)
GATE ECE 2011 (1)
GATE ECE 2010 (1)
GATE ECE 2009 (1)
GATE ECE 2008 (1)
GATE ECE 2007 (2)
GATE ECE 2005 (3)
GATE ECE 2004 (3)
GATE ECE 2003 (1)
GATE ECE 1999 (2)
GATE ECE 1994 (1)
GATE ECE 1993 (1)
GATE ECE 1992 (1)
GATE ECE 1991 (1)
GATE ECE 1989 (1)
GATE ECE 1988 (1)
GATE ECE 1987 (1)

GATE ECE Subjects

Signals and Systems

Representation of Continuous Time Signal Fourier Series
Fourier Transform
Continuous Time Signal Laplace Transform
Discrete Time Signal Fourier Series Fourier Transform
Discrete Fourier Transform and Fast Fourier Transform
Discrete Time Signal Z Transform
Continuous Time Linear Invariant System
Discrete Time Linear Time Invariant Systems
Transmission of Signal Through Continuous Time LTI Systems
Sampling
Transmission of Signal Through Discrete Time Lti Systems
Miscellaneous

Network Theory

Control Systems

Digital Circuits

General Aptitude

Electronic Devices and VLSI

Analog Circuits

Engineering Mathematics

Microprocessors

Communications

Electromagnetics