In electromagnetic waves, the electric field will be perpendicular to which of the following? - Electromagnetic Field Theory

Electronics and Communication Engineering (ECE) : Electromagnetic Field Theory - Quiz(MCQ)

In electromagnetic waves, the electric field will be perpendicular to which of the following?

A)

Wave propagation

B)

Magnetic field intensity

C)

Both H and wave direction

D)

It propagates independently

Correct Answer : Option (C) : Both H and wave direction

Explanation : In an electromagnetic wave, the electric field and magnetic field will be perpendicular to each other. Both of these fields will be perpendicular to the wave propagation.

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Radiation intensity in a given direction is the

A)

Energy radiated per square metre

B)

Power radiated per square metre

C)

Power radiated per unit solid angle in that direction

D)

None of the above

Correct Answer : Power radiated per unit solid angle in that direction

Which of the following impedance inversion is obtained?

A)

Balun transformer

B)

A quarter wave line

C)

Short-circuited stub

D)

A half wave line

Correct Answer : A quarter wave line

The wave in wave guide has

A)

Larger frequency than in the free space

B)

Diminishing wavelength than in the free space

C)

Group velocity inversely proportional to wavelength

D)

Larger wavelength than in the free space

Correct Answer : Larger wavelength than in the free space

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Power Electronics

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Microprocessors

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Signals and Systems

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