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ISRO EC 2019: Microwave Engineering Booster Quiz 2
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Question 1
In microwave communication links, what causes intense fading in the 18 GHz band?
Question 2
In ship to ship communication, the problem of fading can be overcome by using
Question 3
In a waveguide with perfectly conducting flat wall, the angle of reflection is equal to the angle of
Question 4
Which of the following antennas exhibit circular polarization?
Question 5
A reflex klystron is oscillating at 10GHZ when operated in mode, find the transit time of the electron in repeller space in nano seconds (ns).
Question 6
Bandwidth of the order of 12 MHz can be realized easily using carriers in which ranges?
Question 7
In a dielectric medium of what is the expression for the wavelength () of a microwave signal?
Question 8
The temperature below which certain materials are antiferromagnetic and above which they are paramagnetic is called
Question 9
In microwave system, waveguides have the advantages of
Question 10
Satellite channel can be attributed
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Dec 31ESE & GATE EC