1. An antenna array comprises of two dipoles that are separated by wavelength. The dipoles are fed by currents of the same magnitude and 90° in phase. The array factor is:





Ask Your Doubts Here

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

  • By: guest on 02 Jun 2017 12.56 am
    Array factor φ = 90°.
Show Similar Question And Answers
QA->If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same?....
QA->A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?....
QA->In the shortest phase of mitosis the separation of newly formed chromosomes occurs. Which is that phase?....
QA->The property of certain material by virtue of which they absorb light of shorter wavelength and emit light of longer wavelength is called?....
QA->P can do a work in 24 days. Q can do the same work in 9 days and R can do the same in 12 days. Q and R start the work and leave after 3 days. P finishes the remaining work in --- days.....
MCQ->An antenna array comprises of two dipoles that are separated by wavelength. The dipoles are fed by currents of the same magnitude and 90° in phase. The array factor is:....
MCQ->Match the following: List I (Characteristics) List II (Decrease) A.Paramagnetic1.All dipoles are aligned is one preferred directionB.Ferromagnetic2.Half the dipoles are aligned in opposite direction and have equal magnitudeC.Antiferromagnetic3.Half the dipoles (with equal magnitudes) are aligned in opposite direction to the other half having equal but lower magnitudeD.Ferrimagnetic4.All dipoles have equal magnitude but are randomly oriented

....
MCQ->Which of the following statements are correct about the C#.NET code snippet given below? int[] a = {11, 3, 5, 9, 4}; The array elements are created on the stack. Refernce a is created on the stack. The array elements are created on the heap. On declaring the array a new array class is created which is derived from System.Array Class. Whether the array elements are stored in the stack or heap depends upon the size of the array.....
MCQ->A broadside array operating at 100 cm wavelength consist of 4 half-wave dipoles spaced 50 cm apart. Each element carries radio frequency current in the same phase and of magnitude 0.5 A. The radiated power will be....
MCQ->A circuit is fed by two sources of the same frequency and values 100 ∠0° V and 20 ∠30°V. The current in a particular branch is 5 ∠19° A. If the magnitudes of the sources and changed to 200 ∠0° V and 40 ∠30° V, the current in that branch should be....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution