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  1. Understanding the Poynting Vector Dilemma in Electrical Circuits

    Aug 18, 2009 · The discussion centers on the Poynting Vector and its role in energy transfer within electrical circuits, specifically addressing the confusion surrounding energy transfer in …

  2. Is the Poynting Vector Field the Only Factor in Energy Flow in …

    Sep 20, 2023 · The discussion centers on the role of the Poynting vector field in energy flow within electrical circuits, specifically contrasting its implications for resistors and LEDs. …

  3. How does the Poynting vector factor into a normal circuit?

    Jan 15, 2017 · The Poynting vector is the product of the electric and magnetic fields which gives the flow of energy = power. The product of voltage between the wires, and the current in the …

  4. Poynting Vector in a Wire: Understanding the Flow of Energy

    May 16, 2018 · The discussion centers on the Poynting vector in a wire, specifically how energy flows into the wire from external fields despite the static nature of the electric and magnetic …

  5. Poynting vector of current carrying wire • Physics Forums

    Dec 30, 2017 · The discussion focuses on calculating the Poynting vector for a long straight wire of radius a and resistance per unit length R carrying a constant current I. The Poynting vector …

  6. Plotting the Poynting vector of a radiating electric dipole [matlab]

    Feb 6, 2020 · Homework Statement This is not so much a homework question but I figured this is the best place to ask for help According to Jackson (9.18) the and fields of a radiating electric …

  7. Understanding the Poynting Theorem - Physics Forums

    Jan 18, 2025 · Relevant Equations: Poynting Theorem. Second question: Is ∇⋅S the net energy flux passing a point? What does the term −J⋅E represent? I know that J⋅E is the work done by …

  8. Help with electromagnetics: the Poynting Vector and Ampere ...

    Jan 3, 2022 · The discussion centers on the apparent contradiction between the Poynting vector's divergence and the magnetic field behavior in a steady-state DC current-carrying wire. It is …

  9. Question on Poynting Vector calculation in wire.

    Jan 16, 2011 · This start out as an example in the book: Find Poynting Vector of a long conducting wire with radius = b and conductivity \\sigma with DC current through the wire. …

  10. Oct 4, 2014 · The fundamental electromagnetic principles associated with the transfer of power from the primary to secondary windings of a transformer are considered. This power flow is by …