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 = 7.80 x 10-14 W/m2, and the circular aperture of the antenna has radius of r= 15.3 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 TIX=AL TV signal (a) Number i (b) Number i Units Units

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 = 7.80 x 10-14 W/m2, and the circular aperture of the antenna has radius of r= 15.3 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 TIX=AL TV signal (a) Number i (b) Number i Units Units

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter16: Electromagnetic Waves

Section: Chapter Questions

Problem 85P: During normal beating, the heart creates a maximum 4.00-mV potential across 0.300 m of a person’s...

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