1
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 value of the load resistance is
A
50 $$\Omega $$
B
200 $$\Omega $$
C
12.5 $$\Omega $$
D
0 $$\Omega $$
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 24 English The reflection coefficient is given by
A
- 0.6
B
- 1
C
0.6
D
0
3
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 $$\Omega $$
4
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
A lossless transmission line is terminated in a load which reflects a part of the incident power. The measured VSWR is 2. The percentage of the power that is reflected back is
A
57.73
B
33.33
C
0.11
D
11.11
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