1
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 24 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
2
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
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 26 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 a twin-wire transmission line in air, the adjacent voltage maxima are at 12.5 cm and 27.5. The operating frequency is
A
300 MHz
B
1 GHz
C
2 GHz
D
6.28 GHz
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