Radiation resistance of a dipole antenna is 4 ohm. Estimate the effective length of the dipole in terms of wavelength of radiation.

5) The operating frequency of a Hertz dipole of length L = 2m is 1 MHz. For copper conductor, find the radiation efficiency since ac = 57 MS / m and radius is 1mm. Uzunluğu L-2m olan bir Hertz dipolunun çalışma frekansı 1 MHz dir. Bakır iletken içın ac =57MS/m ve yançapı Imm olduguna gore işıma verimini bulunuz? O %29.34 O %71.66 %51.29 %69

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m 2. Given a current I(t) = I charge as a function of time of the charge is Qm. sin(at + ) on a Hertzian dipole antenna, what is the Q(t) on the antenna? Assume the maximum amplitude

A half-wave dipole, which has a total length of L = 1.39 cm (i) Analyze the resonant frequency fr. (ii) Determine the new fr when the dipole length is 3L. (iii) Determine the radiation resistance of a quarter-wave monopole that hasa total length of L.

Q: A half-wave dipole is radiating into free space. Input power to the dipole is 100 W. Assuming an overall efficiency of 50%. find the power density (in W/m2) at r = 500 m, 0 = 60,0 = 0°.

4. a) Determine the maximum effective area of a Hertzian dipole of length 10 cm operating at 100 MHz. b) If the antenna receives 3 μW of power, what is the power density of the incident wave?

Suppose a dipole antenna is taken and the radiation resistance of the dipole antenna is 452 ohm. What will be the effective length of the dipole antenna? Express the answer as a function of wavelength.