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1
GATE ECE 2010
MCQ (Single Correct Answer)
+2
-0.6
In the circuit shown, all the transmission line sections are lossless. The Voltage Standing Wave Ration (VSWR) on the 60W line is GATE ECE 2010 Electromagnetics - Transmission Lines Question 27 English
A
1.00
B
1.64
C
2.50
D
3.00
2
GATE ECE 2009
MCQ (Single Correct Answer)
+2
-0.6
A transmission line terminates in two branches, each of length $$\lambda /4$$, as shown.The branches are terminated by 50 $$\Omega $$ loads. The lines are lossless and have the characteristic impedances shown. Determine the impedance $${Z_i}$$ as seen by the source. GATE ECE 2009 Electromagnetics - Transmission Lines Question 28 English
A
200 $$\Omega $$
B
100 $$\Omega $$
C
50 $$\Omega $$
D
25 $$\Omega $$
3
GATE ECE 2008
MCQ (Single Correct Answer)
+2
-0.6
One end of loss-less transmission line having the characteristic impedance of 75 $$\Omega $$ and length of 1 cm is short-ciruited. At 3 GHz, the input impedance at the other end of the transmission line is
A
0
B
Resistive
C
Capacitive
D
Inductive
4
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 24 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
$$\left[ {\matrix{ {{1 \over 4}} & { - {3 \over 4}} \cr { - {3 \over 4}} & { - {1 \over 4}} \cr } } \right]$$
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