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Electromagnetics
Waveguides
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Antennas
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Miscellaneous
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Transmission Lines
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Maxwell Equations
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Uniform Plane Waves
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1
GATE ECE 2007
MCQ (Single Correct Answer)
+2
-0.6
A load of 50 $$\Omega $$ is connected in shunt in a 2-wire transmission line of $$Z_0$$ = 50 $$\Omega $$ as shown in the Fig. The 2-port scattering parameter matrix (S-matrix) of the shunt element is GATE ECE 2007 Electromagnetics - Transmission Lines Question 19 English
A
$$\left[ {\matrix{ { - {1 \over 2}} & {{1 \over 2}} \cr {{1 \over 2}} & { - {1 \over 2}} \cr } } \right]$$
B
$$\left[ {\matrix{ 0 & 1 \cr 1 & 0 \cr } } \right]$$
C
$$\left[ {\matrix{ { - {1 \over 3}} & {{2 \over 3}} \cr {{2 \over 3}} & { - {1 \over 3}} \cr } } \right]$$
D
$$\left[ {\matrix{ {{1 \over 4}} & { - {3 \over 4}} \cr { - {3 \over 4}} & { - {1 \over 4}} \cr } } \right]$$
2
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. GATE ECE 2005 Electromagnetics - Transmission Lines Question 26 English The value of the load resistance is
A
50 $$\Omega $$
B
200 $$\Omega $$
C
12.5 $$\Omega $$
D
0 $$\Omega $$
3
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. GATE ECE 2005 Electromagnetics - Transmission Lines Question 25 English The reflection coefficient is given by
A
- 0.6
B
- 1
C
0.6
D
0
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
Characteristic impedance of a transmission line is 50$$\Omega $$. Input impedance of the open-circuited line is $${Z_{oc}} = 100\, + \,j\,\,150\Omega .$$ When the transmission line is short-circuited the value of the input impedance will be
A
50 $$\Omega $$
B
100 + j 150 $$\Omega $$
C
7.69 + j 11.54 $$\Omega $$
D
7.69 - j 11.54 $$\Omega $$
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Questions Asked from Marks 2
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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