What are the efficiencies of the two antennas if both


Monopole antennas, efficiency. Two quarter-wavelength monopoles are used at the same frequency. Both are made of copper, with conductivity 5.7 x 107 S/m. Both transmit at 1 GHz. One is 1 mm thick, the second is 10 mm thick.

(a) Which antenna has higher efficiency?

(b) What are the efficiencies of the two antennas if both transmit into free space.

(c) Calculate the ratio between the (power) gains of the two antennas.

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Mechanical Engineering: What are the efficiencies of the two antennas if both
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