Question

At what distance from the antenna does the far field start?

a.

2 wavelengths

b.

5 wavelengths

c.

10 wavelengths

d.

25 wavelengths

Posted under Avionics Engineering

Answer: (c).10 wavelengths

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. At what distance from the antenna does the far field start?

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The Far field is also known as ______________

Q. An Em wave is said to be vertically polarized when the angle between the electrical field and earth is _______

Q. Which of the following is not true?

Q. What happens when a vertical or horizontal polarized antenna receives a circular polarized wave?

Q. Which of the following devices assist in using the same antenna for transmission and receiving?

Q. A dipole antenna is also called as?

Q. The impedance at the center of the antenna is known as?

Q. What happens when the radiation resistance of the antenna matches the characteristic impedance of the transmission line?

Q. The type of dipole antenna that has a higher band width is called as?

Q. The radiation pattern of a half-wave dipole has the shape of a ______

Q. What is the beam width for a half wave dipole antenna?

Q. What does the beam width of an antenna tell us?

Q. What is the power radiated by the antenna with gain called as?

Q. What is the radiation pattern of an isotropic radiator?

Q. What is the impedance of the folded dipole antenna?

Q. Which of the following antennas produce a vertical radiation pattern?

Q. What is the use of loading coil?

Q. Why is top hat added to antennas?

Q. In a parasitic array antenna, the conductors that are not connected to the transmission line is called as?

Q. In a parasitic array the elements are shorted if they are connected to a conducting beam.

Recommended Subjects

Are you eager to expand your knowledge beyond Avionics Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!