How much energy does this wave carry through the window

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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 2.3 × 10-10 T. The wave passes perpendicularly through an open window, the area of which is 0.21 m2. How much energy does this wave carry through the window during a 46-s phone call?

Reference no: EM13293965

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