1
GATE ECE 2010
MCQ (Single Correct Answer)
+1
-0.3
A transmission line has a characteristic impedance of 50 $$\Omega $$ and a resistance of 0.1 $$\Omega $$/m. If the line is distortionless, the attenuation constant (in Np/m) is
A
500
B
5
C
0.014
D
0.002
2
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
Many circles are drawn in a Smith chart used for transmission line calculations. The circles shown in Fig. represent GATE ECE 2005 Electromagnetics - Transmission Lines Question 49 English
A
unit circles
B
constant resistance circles.
C
constant reactance circles.
D
constant reflection coefficient circles.
3
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
In an impedance Smith chart, a clockwise movement along a constant resistance circle gives rise to
A
a decrease in the value of reactance
B
an increase in the value of reactance
C
no change in the reactance value
D
no change in the impedance value
4
GATE ECE 2002
MCQ (Single Correct Answer)
+1
-0.3
The VSWR can have any value between
A
0 and 1
B
- 1 and + 1
C
0 and $$\infty $$
D
1 and $$\infty $$
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