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GATE 2020: EMT Rapid Quiz-2 (App update required to attempt this test)

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Question 1

The phase difference between the conduction current and the displacement current for an electric field E is ____________(in degrees)

Question 2

Given If ‘S’ represents the portion of sphere
x2 + y2 + z2 = 4 ,y > 0
Then

Question 3

An electric field in free space is given: =200cos(108t-βy)azV/m. Find λ and at P(0,1,0) at t=10-8sec. Assume ηo=377Ω

Question 4

An air line has a characteristic impedance of 70 and a phase constant of 3 rad/m at 100MHz. The inductance per meter and the capacitance per meter of the line is

Question 5

Determine minimum spacing between the elements of a broadside array, if it has 8 isotropic radiators. (Given, directivity=5dB).

Question 6

A broadside array consisting of 8 isotropic radiators has directivity of 6dB. Determine the minimum spacing between the elements.
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Dec 29ESE & GATE EC