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GATE EC 2022:EMFT Quiz 5 (App update required to attempt this test)

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Question 1

Consider a lossless line with characteristic impedance of 100Ω. If ZOC and ZSC are open circuit and short circuit input impedance respectively and ZOC = 20Ω and ZSC will be?

Question 2

A lossless transmission line operating at 100 M rad/s has L = 1μH/m and C = 10 pF/m. Then, find the characteristic impedance of such a line.

Question 3

The graph shown below represents voltage versus distance curve from given load position in a transmission line :

Given value of characteristic impedance is 30Ω the value of load is ____ Ω.

Question 4

Calculate the characteristic impedance Zo (in k)for the following line parameters:

R=10Ω/km , G=10-6Ʊ/km, L=1H/km, C= 0.1μF/km and frequency is 1kHz.

Question 5

The input impedance Zin of the transmission line connection shown below is

Question 6

A uniform transmission line has constants R=10mDescription: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image035.png/m,G=2 Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image217.png ,L=Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image218.png and C= 2nF/m. At 10 kHz, the attenuation in decibels per 10 kilometers is __________dB.
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Jun 9ESE & GATE EC