Which antenna has higher efficiency

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Reference no: EM131213078

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.

Reference no: EM131213078

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