cse • paper_1 • electrodynamicscse-2004-subject-03-007
Poynting theorem — UPSC CSE 2004 Physics PYQ
Buy PYQ Solution Manual →Show that the Poynting vector \bar{S} = (\bar{E} \times \bar{H}) represents the energy flow per unit area per unit time both in magnitude and direction in case of a plane electromagnetic wave.
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