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GATE 2025 EMT Foundation Quiz 46
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Question 1
A distortion less line has characteristic Z0 = 100 Ω, attenuation constant α= 10 mNp/m and phase velocity v= 2 × 108 m/s. The primary constants R and L are respectively.
Question 2
The electric field intensity given by
represents a UPW propagating along y direction in a non-magnetic dielectric medium. The dielectric constant is
![](https://gradeup-question-images.grdp.co/liveData/PROJ57775/1598613207366618.png)
Question 3
The electric field intensity of a wave is given by
.
Choose the correct option of the following wave
![](https://gradeup-question-images.grdp.co/liveData/PROJ57775/1598613396214937.png)
Choose the correct option of the following wave
Question 4
Consider a dielectric (ϵr = 2.25) filled rectangular waveguide with dimensions a x b (a > b). If the cut off frequency of the guide is 4 GHz, then the value of dimension a is ________ cm.
Question 5
An air filled rectangular wave guide is operating at 6 GHz with dominant propagating inside it. If the wavelength inside the wave guide is 6cm, then the wave impedance of the mode is given by ______
.
![Description: E:\Gate\Gate-EC\04_Elctromgntic_BL-done_files\image035.png](https://gradeup-question-images.grdp.co/liveData/PROJ1516/1481095277597370.png)
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Feb 20ESE & GATE EC