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#23
September 14th 05, 09:34 PM
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Cec, what's the Poynting Vector?
Same thing as a power flow vector. The dimensions are energy per second per unit area. If the power flow vector is integrated over the entire surface of a sphere of radius r, the result is total radiated power. I thought maybe you and Mr. Poynting might have worked together at some time in the 20th century. :-) Poynting, John Henry (1852-1914) English physicist, mathematician, and inventor. He devised an equation by which the rate of flow of electromagnetic energy (now called the Poynting vector) can be determined. S = E X H |
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