Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Current Attempt in Progress The figure shows the popular dish antenna that receives digital TV signals from a satellite. The average intensity of the electromagnetic wave that carries a particular TV program is S = 7.40 × 10-14 W/m², and the circular aperture of the antenna has radius of r = 16.7 cm. (a) Determine the electromagnetic energy delivered to the dish during a one-hour program. (b) What is the average energy density of the electromagnetic wave? Area A 1x=A1 TV signal (a) Number i (b) Number i Units Units v
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Transcribed Image Text:Current Attempt in Progress The figure shows the popular dish antenna that receives digital TV signals from a satellite. The average intensity of the electromagnetic wave that carries a particular TV program is S = 7.40 × 10-14 W/m², and the circular aperture of the antenna has radius of r = 16.7 cm. (a) Determine the electromagnetic energy delivered to the dish during a one-hour program. (b) What is the average energy density of the electromagnetic wave? Area A 1x=A1 TV signal (a) Number i (b) Number i Units Units v
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