Tuesday, 25 March 2014
How much energy does this wave carry through the window during a 39 s phone call?
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.30 × 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.31 m². How much energy does this wave carry through the window during a 39 s phone call?Click here for more on this paper.......
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