1
GATE ECE 2015 Set 3
Numerical
+2
-0
A 200 m long transmission line having parameters shown in the figure is terminated into a load ܴ$$R_L$$. The line is connected to a 400 V source having source resistance $$R_S$$ through a switch, which is closed at t = 0. The transient response of the circuit at the input of the line (z = 0) is also drawn in the figure. The value of ܴ$$R_L$$ (in $$\Omega $$ ) is ___________. GATE ECE 2015 Set 3 Electromagnetics - Transmission Lines Question 6 English
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2
GATE ECE 2014 Set 2
Numerical
+2
-0
In the transmission line shown, the impedance $${Z_{in}}$$ (in ohms) between node A and the ground is GATE ECE 2014 Set 2 Electromagnetics - Transmission Lines Question 15 English
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3
GATE ECE 2014 Set 1
MCQ (Single Correct Answer)
+2
-0.6
For a parallel plate transmission line, let v be the speed of propagation and Z be the characteristic impedance. Neglecting fringe effects, a redution of the spacing between the plates by a factor of two results in
A
halving of v and no change in Z
B
no changes in v and halving of Z
C
no change in both v and Z
D
halving of both v and Z
4
GATE ECE 2012
MCQ (Single Correct Answer)
+2
-0.6
A transmission line with a characteristic impedance of 100 $$\Omega $$ is used to match a 50 $$\Omega $$ section to a 200 $$\Omega $$ section. If the matching is to be done both at 429 MHz and 1 GHz, the tength of the transmission line can be approximately
A
82.5 cm
B
1.05 m
C
1.58 m
D
1.75 m
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