Repeat Problem for a 20-cm-long antenna operating at 5 MHz
Problem
A 2-m-long center-fed dipole antenna operated in the AM broadcast band at 1 MHZ, the dipole is of copper wire of 1 mm.
(a) Determine the radiation efficiency of the antenna.
(b) What is the antenna gain in decibels?
(c) What antenna current is required so that the antenna will radiate 80 W, and how much power will the generator have to supply to the antenna?
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