1
GATE ECE 1994
True or False
+2
-0
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.
A
TRUE
B
FALSE
2
GATE ECE 1993
MCQ (Single Correct Answer)
+2
-0.6
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
A
+ 1
B
0
C
$$\infty $$
D
+ j
3
GATE ECE 1992
MCQ (More than One Correct Answer)
+2
-0
A transmission line whose characteristic impedance is a pure resistance
A
must be a lossless line
B
must be a distortionless line
C
may not be a lossless line
D
may to be a distortionless line
4
GATE ECE 1991
MCQ (Single Correct Answer)
+2
-0.6
The input impedance of a short-circuited lossless transmission line guarter wave long is
A
purely reactive
B
purely resistive
C
infinite
D
dependent on the characteristic impedance of the line
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics