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GATE 2025 EMT Quiz 41
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Question 1
The input impedance of lossless λ/8 transmission line with other end short circuited is given by ______. (Assume characteristic impedance Zo = 50Ω)
Question 2
A 100 Ω transmission line is terminated by a load of 150 Ω + j100Ω. If the line is excited by a 100 MHz source, then the ratio of voltage minimum to voltage maximum on the line is given by
Question 3
Design a lossless impedance matching network shown in Fig. P22 to transform ZL = 10 + j10Ω to Zin = 50Ω. Find the values of L, C and quality factor (Q) of the circuit at f = 1GHz.
![](https://gradeup-question-images.grdp.co/liveData/PROJ447/1473923933275321.png)
Question 4
A short-circuited stub is connected to a transmission line as shown in the figure. If
the voltage standing wave ratio to the left of the junction of stub and line is
![](https://gradeup-question-images.grdp.co/liveData/PROJ3061/1488805226124191.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ3061/1488805226765929.png)
Question 5
Consider a lossless transmissions line which is connected as shown in the figure
The average power dissipated in 25
load is__________ Watts.
![](https://gradeup-question-images.grdp.co/liveData/PROJ3061/1488805263725717.png)
The average power dissipated in 25
![](https://gradeup-question-images.grdp.co/liveData/PROJ3061/1488805264447760.png)
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Feb 10ESE & GATE EC