# Types of Polarization MCQ’s

This set of Antenna Multiple Choice Questions & Answers (MCQs) focuses on “Types of Polarization”.

1. Which type of polarization is found in parabolic reflector?

a) Right-hand Circular

b) Linear

c) Depends on the feed

d) Left-hand Circular

2. In which of the following polarization the electric field components are perpendicular to each other and have equal magnitude?

a) Linear

b) Vertical

c) Circular

d) Elliptical

3. Which of the following polarization is used in monopole antenna?

a) Right-hand Circular

b) Linear

c) Depends on the feed

d) Left-hand Circular

4. In which of the following polarization the electric field components are perpendicular to each other and have unequal magnitudes?

a) Linear

b) Vertical

c) Circular

d) Elliptical

5. The locus traced by the extremity of the time-varying field vector at a fixed observational point is called ________

a) polarization

b) gain

c) directivity

d) height

6. Which of the following is true for the elliptical polarization?

a) E_{x}=E_{y}, and ∅=π/2

b) E_{x}≠E_{y}, and ∅=π/2

c) E_{x}≠E_{y}, and ∅=π/4

d) E_{x}=E_{y}, and ∅=π/4

7. Tilt angle of the elliptic polarization with respect to horizontal is ____________

a) τ=tan^{-1}(\frac{a_{vertical}}{a_{horizontal}})

b) τ=\frac{a_{horizontal}}{a_{vertical}}

c) τ=(\frac{a_{vertical}}{a_{horizontal}})

d) τ=tan^{-1}(\frac{a_{horizontal}}{a_{vertical}})

8. Which of the following is true for the circular polarization?

a) E_{x}=E_{y}, and ∅=π/2

b) E_{x}≠E_{y}, and ∅=π/2

c) E_{x}≠E_{y}, and ∅=π/4

d) E_{x}=E_{y}, and ∅=π/4

9. The transmission mode polarization vector and receiving mode polarization vector of antenna polarization are ___________

a) always equal

b) conjugate to each other

c) negative of conjugate of other

d) inverse of Conjugate of other vector

10. The linear and circular polarizations are special cases of elliptical polarization.

a) True

b) False

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