Which of the following will increase the antenna radiation efficiency? - Electromagnetic Field Theory

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

Which of the following will increase the antenna radiation efficiency?

A)

Providing insulation on conductor

B)

Use of larger section of conductor

C)

Top loading of antenna

D)

Any of the above

Correct Answer : Option (C) : Top loading of antenna

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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

ECE MCQ's

Power Electronics

Digital Electronics

Analog Electronics

Microprocessors

Radio Receivers

Signals and Systems

Satellite Communication

Communication Systems

Microwave Communication

Automatic Control Systems

Materials and Components

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