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
-0.6
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
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