A charge located at point p (5,30â°,2) is said to be in which coordinate system? - Electromagnetic Field Theory

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

A charge located at point p (5,30â°,2) is said to be in which coordinate system?

A)

Cylindrical system

B)

Space system

C)

Spherical system

D)

Cartesian system

Correct Answer : Option (A) : Cylindrical system

Explanation : The cylindrical system is of the form (ρ, φ, z), which relates the point given in the question.

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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

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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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