Poynting vector

'Poynting vector' can also refer to...


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Symbol S. A vector that gives a measure of the flow of energy in an electromagnetic field. It is given by the vector product S = E × H, where E is the electric field strength and H is the magnetic field strength. It was discovered by the British physicist John Henry Poynting (1852–1914) in 1884.

Subjects: Physics.

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