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 21 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 22 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
The parallel branches of a 2-wire transmission line are terminated in 100 $$\Omega $$ and 200 $$\Omega $$ resistors as shown in the Fig. The characteristic impedance of the line is $$Z_0$$ = 50 $$\Omega $$ and each section has a length of $$\lambda /4$$. The voltage reflection coefficient $$\Gamma $$ at the input is: GATE ECE 2007 Electromagnetics - Transmission Lines Question 17 English
A
$$ - \,j\,{7 \over 5}$$
B
$$ - \,\,{5 \over 7}$$
C
$$j\,\,{5 \over 7}$$
D
$${5 \over 7}$$
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