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The Significance of the Poynting Vector

Author:

Tombe, Frederick David

Category:

Research Papers

Sub-Category:

Mechanics / Electrodynamics

Language:

English

Date Published:

March 14, 2025

File:

/Research Papers-Mechanics / Electrodynamics/Download/8087

Downloads:

483

Keywords:

Poynting's vector, Poynting's Theorem, cable telegraphy, wireless telegraphy, Faraday's law of induction, Maxwell's equations, aethereal vortices, electromagnetic wave equations, telegrapher's equations, displacement current

Abstract:

The Poynting vector, S = E×H, represents the rate of flow of electromagnetic energy per unit area per unit time. It appears in Poynting’s theorem because of the involvement of Ampère’s circuital law and Faraday’s law of time-varying electromagnetic induction. It will now be investigated as to whether or not the Poynting vector has any significance if the E field is an electrostatic field, or would it just amount to multiplying apples and bananas?