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# Test: Electromagnetic Field Theory - 7

## 25 Questions MCQ Test Electromagnetic Theory | Test: Electromagnetic Field Theory - 7

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This mock test of Test: Electromagnetic Field Theory - 7 for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. This contains 25 Multiple Choice Questions for Electrical Engineering (EE) Test: Electromagnetic Field Theory - 7 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Electromagnetic Field Theory - 7 quiz give you a good mix of easy questions and tough questions. Electrical Engineering (EE) students definitely take this Test: Electromagnetic Field Theory - 7 exercise for a better result in the exam. You can find other Test: Electromagnetic Field Theory - 7 extra questions, long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above.
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QUESTION: 2

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QUESTION: 3

### When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .

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QUESTION: 4

Power gain and directivity related with, Gp power gain, Gd directive gain

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QUESTION: 5

Radiation intensity in a given direction is the

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QUESTION: 6

The capacitance between two spheres, whose separation is very much larger than their radii R, is given approximately as

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QUESTION: 7

If ωε is the displacement current factor and s is conduction current density factor then which of the following statements is incorrect?

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QUESTION: 8

Parabolic and lens antenna used at

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QUESTION: 9

Which of the following statement regarding waveguides is incorrect?

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QUESTION: 10

The potential that appears at a point in space due to the current which caused it is called potential

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QUESTION: 11

It is desired to reduce the reflection at an air porcelain by use of 7/4 plate (for Porcelain μ = 40, and εr = 7). The thickness of the polystyrene plate required at 10 GHz will be

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QUESTION: 12

Which of the following statement is false?

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QUESTION: 13

The useful magnetic flux obtainable from any closed surface is

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QUESTION: 14

The voltage and current distributions on a grounded λ/4 dipole (Marconi antenna) are similar to those of a half wave dipole in space.

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QUESTION: 15

The equation ∇ . J = 0 is called

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QUESTION: 16

It is best to use for coupling a coaxial line to a parallel wire transmission line.

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QUESTION: 17

In H-plane metal plate lens the travelling wave front is

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QUESTION: 18

MUF is depend upon

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QUESTION: 19

In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as

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QUESTION: 20

Which of the following is not between F2 layer and D layer?

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QUESTION: 21

The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a

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QUESTION: 22

The transmitting antennas for lower frequencies (below 500 kHz) are generally

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QUESTION: 23

In an home T.V. receiver, the leed in from the antenna is

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QUESTION: 24

A satellite that simply reflect back the signals from one region of the earth to the other region is known as

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QUESTION: 25

Conductivity is measured in terms of

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