The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.4 × 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.24 m2. How much energy does this wave carry through the window during a 48-s phone call?
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.4 × 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.24 m2. How much energy does this wave carry through the window during a 48-s phone call?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter34: Maxwell’s Equations And Electromagnetic Waves
Section: Chapter Questions
Problem 22PQ
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The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.4 × 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.24 m2. How much energy does this wave carry through the window during a 48-s phone call?
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