GATE ECE 1994 | Transmission Lines Question 51 | Electromagnetics

GATE ECE 1994

True or False

-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.

TRUE

FALSE

GATE ECE 1993

MCQ (Single Correct Answer)

-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

+ 1

$$\infty $$

+ j

GATE ECE 1992

MCQ (More than One Correct Answer)

-0

A transmission line whose characteristic impedance is a pure resistance

must be a lossless line

must be a distortionless line

may not be a lossless line

may to be a distortionless line

GATE ECE 1991

MCQ (Single Correct Answer)

-0.6

The input impedance of a short-circuited lossless transmission line guarter wave long is

purely reactive

purely resistive

infinite

dependent on the characteristic impedance of the line

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