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 = 7.60 × 10-14 W/m², and the circular aperture of the antenna has radius of r = 15.6 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 Ax=c TV signal (a) Number i (b) Number i eTextbook and Media Units Units
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 = 7.60 × 10-14 W/m², and the circular aperture of the antenna has radius of r = 15.6 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 Ax=c TV signal (a) Number i (b) Number i eTextbook and Media Units Units
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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 = 7.60 × 10-14 W/m², and the circular aperture of the antenna has radius
of r = 15.6 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
k
TV signal
(a) Number i
(b) Number i
eTextbook and Media
Units
Units
x= ct-
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