1
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
2
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
3
GATE ECE 1994
True or False
+2
-0
If a pure resistance load, when connected to a lossless 75-ohm line, produces a VSWR of 3 on the line, then the load impedance can only be 25 ohms.
A
TRUE
B
FALSE
4
GATE ECE 1993
MCQ (Single Correct Answer)
+2
-0.6
Consider a transmission line of characteristic impedance 50 ohm. Let it be terminated at one end by ( + j50) ohm. The VSWR produced by it in the transmission line will be
A
+ 1
B
0
C
$$\infty $$
D
+ j
GATE ECE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12