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GATE 2020: EMT Rapid Quiz-1 (App update required to attempt this test)
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Question 1
A low loss transmission line of 500Ω characteristic impedance is connected to a load of 1000Ω. Find standing wave ratio.
Question 2
Determine critical angle for the electromagnetic wave passing through glass to air if εr for glass is 9.
Question 3
For a lossy dielectric material having μr=1, εr=48,, calculate propagation constant for at a frequency of 16GHz.
Question 4
In a lossy conducting medium, the phase constant of an uniform plane wave is 1.4rad/m. Now, if for every 2m travelled by the plane wave, its magnitude is reduced by 60%, then determine the skin depth in meters. (Given phase constant at frequency f= 108 Hz).
Question 5
A 12GHz signal is to be propagated through a rectangular waveguide in dominant mode. Then, determine the characteristic impedance (in ohm) if the group velocity is 80% of the free space velocity of light.
Question 6
Find phase velocity for a 300MHz uniform plane wave propagating in a material of medium εr=2
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Dec 28ESE & GATE EC