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Physics I Class 24

Physics I Class 24. e/m Ratio for the Electron. Joseph John (“J.J.”) Thomson. Calculating Change in K.E. from Electric Potential (Review). Magnetic Force on a Moving Charge (Review). The Radius of the Circle (Review). Apparatus for Measuring e/m. The Cathode Ray Tube.

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Physics I Class 24

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  1. Physics IClass 24 e/m Ratio for the Electron

  2. Joseph John (“J.J.”) Thomson

  3. Calculating Change in K.E.from Electric Potential (Review)

  4. Magnetic Force on aMoving Charge (Review)

  5. The Radius of the Circle (Review)

  6. Apparatus for Measuring e/m

  7. The Cathode Ray Tube

  8. Analysis of Electron Acceleration

  9. Helmholtz Coils

  10. Derivation of e/m Formula

  11. Experimental Procedure

  12. Viewing the Electron Path

  13. A Similar Application --Mass Spectrometer

  14. Basic Operation of a Magnetic Sector Mass Spectrometer

  15. Mass Spectrometer Diagram

  16. Class #24Take-Away Concepts

  17. Activity #24Measuring e/m for the Electron

  18. Optional Material for Class #24

  19. Robert Andrews Millikan

  20. Analysis of Oil Drop Experiment

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