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Electrostatic Potential Energy in Electrical Engineering

Explore the concept of electrostatic potential energy, its relationship to work and stored energy, absolute potential, equipotential surfaces, and applications in complex structures. Learn about renowned figures such as Joule, Volta, and Franklin in the field. This article discusses the significance of potential difference and equipotential surfaces, along with practical examples and numerical analysis in electrical engineering.

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Electrostatic Potential Energy in Electrical Engineering

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  1. potential energy

  2. Joule 1818-1889

  3. potential energy

  4. y 4 c a b x 0 4 rs = 4

  5. electrostatic energy no work required to bring in first charge one has to do work to bring in second charge more work required to bring in third charge

  6. electrostatic energy stored energy

  7. Absolute potential Vabsolute - due to one charge being there

  8. total work bring charges in any order

  9. add all N charges

  10. add all N charges distributed charge density

  11. summary

  12. R Gauss electrostatic

  13. electrostatic energy

  14. t V A

  15. Volta 1745-1827

  16. potential difference • difference of two absolute potentials • difference between two potentials measured with respect to a ground potential

  17. This individual may have a future in Electrical and Computer Engineering

  18. y 4 c a b x 0 0 4 rs = 4 Equipotential surface

  19. concentric spheres b Q a

  20. x V1 V2 V3 potential  electric field • know locations x • draw equipotential contours • measure potentials Vj

  21. applications • complicated structure • 2-D & 3-D • numerical work • plasma processing

  22. V = 0 V = 10

  23. Franklin 1706-1790 His famous saying, "An ounce of prevention is worth a pound of cure," was actually fire-fighting advice.

  24. Lightning rod

  25. Ione Quinby Griggs

  26. Beat Iowa State University

  27. NEWS BRIEF:Iowa State football practice was delayed nearly 2 hours after a player reported finding an unknown white powdery substance on the practice field.Head coach Gene Chizik immediately suspended practice while Ames police and federal investigators were called to investigate. After a complete analysis, FBI forensic experts determined that the white substance unknown to the players was the goal line.Practice was resumed after special agents decided the team was unlikely to encounter the substance again.

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