find the radiation efficiency

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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H.W find the radiation efficiency for a single turn and 8 turns small circular
loop at f=100MHz. The radius of the loop λ/25. The radius of the wire is10-42,
and the turns are spaced 4*10-4 2 apart, assume the wire is copper with a
conductivity of 5.7 * 107 s/m and the antenna is radiating in free space.
[c/b=2,N=8,-0.38]
EEC 303 Radiation & Propagation
2) eff.= 81.27%
Dr. Yessar Ezzaldeen Mohammed Ali
ans: 1) eff. 42.8%
Transcribed Image Text:H.W find the radiation efficiency for a single turn and 8 turns small circular loop at f=100MHz. The radius of the loop λ/25. The radius of the wire is10-42, and the turns are spaced 4*10-4 2 apart, assume the wire is copper with a conductivity of 5.7 * 107 s/m and the antenna is radiating in free space. [c/b=2,N=8,-0.38] EEC 303 Radiation & Propagation 2) eff.= 81.27% Dr. Yessar Ezzaldeen Mohammed Ali ans: 1) eff. 42.8%
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