7 Questions
In the current distribution for a half-wave dipole antenna, where is the highest current amplitude located?
At one end
For a dipole antenna with length $3λ/2$, what is the current distribution at three-quarters of the total length?
$0$
What is the length of the dipole antenna being considered in the given example?
$l = 3\lambda/2$
What is the maximum value of $\cos(3\pi/2\cos\theta)$?
1
At what values of $\theta$ does the electric field pattern have a minimum?
$\theta = 70.5^\circ, 0^\circ$
What is the expression for the electric field pattern of the $3\lambda/2$ dipole antenna?
$E_\theta = j\eta(I_0e^{-j\beta r})/2\pi r [\cos(3\pi/2\cos\theta)/\sin\theta]$
What is the value of $\beta$ used in the electric field expression?
$\beta = 2\pi/\lambda$
Explore the fundamentals of linear wire antennas in this lecture by Abdulmuttalib A.H.Aldouri and Mohammed Kamil. Learn about different types of linear wire antennas, including Infinitesimal Dipole, Small Dipole, Finite Length Dipole, and Half-Wave Dipole.
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