Antennas Practice Test 3

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

2. What is the approximate distance between directors for a Yagi-Uda antenna operating at frequency 150MHz?

3. What is the reflector length (in feet) for a three element Yagi-Uda array, operating at a frequency 500MHz?

4. The total pattern function for rectangular aperture f(x, y) if f(x) and f(y) are separable is given by ____

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

6. The polarization of received antenna is not same as incident wave polarization is termed as ___

7. A narrow beam-width is obtained through a large number of directors.

8. Equivalence Principle follows which f the following theorem?

9. In order to convert the bidirectional dipole to unidirectional system, we use _______

10. Which of the following condition is true for the electric conductor equivalent?