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