1
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
Consider a 300$$\Omega $$, quarter-wave long (at 1 GHz) transmission line as shown in Fig. It is connected to a 10V, 50$$\Omega $$ sources at one end and is left open circuited at the other end. The magnitude of the voltage at the open circuit end of the line is GATE ECE 2004 Electromagnetics - Transmission Lines Question 29 English
A
10 V
B
5 V
C
60 V
D
60/7 V
2
GATE ECE 2004
MCQ (Single Correct Answer)
+2
-0.6
Consider an impedance Z = R + jX marked with point P in an impedance Smith chart as shown in Fig. The movement from point P along a constant resistance circle in the clockwise direction by an angle $${45^ \circ }$$ is equivalent to GATE ECE 2004 Electromagnetics - Transmission Lines Question 28 English
A
adding an inductance in series with Z
B
adding a capacitance in series with Z
C
adding an inductance in shunt across Z
D
adding a capacitance in shunt across Z
3
GATE ECE 2003
MCQ (Single Correct Answer)
+2
-0.6
A short-circuited stub is shunt connected to a transmission line as shown in Fig. If $${Z_0} = 50\,\,\Omega $$, the admittance Y seen at the junction of the stub and the transmission line is GATE ECE 2003 Electromagnetics - Transmission Lines Question 30 English
A
(0.01 – j 0.02) mho
B
(0.02 – j 0.01) mho
C
(0.04 + j 0.02) mho
D
(0.02 + j 0) mho
4
GATE ECE 1999
MCQ (Single Correct Answer)
+2
-0.6
In air, a lossless transmission line of length 50 cm with $$L = 10\,\mu H/m,\,\,C = 40\,\,pF/m$$ is operated at 25 MHz. Its electrical path length is
A
0.5 meters
B
$$\lambda $$ meters
C
$$\pi /2$$ radians
D
180 degree
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