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Classical Physics Laser Disk D/44 Van de Graff Generator How I Work

Classical Physics Laser Disk D/44 Van de Graff Generator How I Work. Created for CVCA Physics By Dick Heckathorn 31 December 2K + 2. Using audio track 2/R view all of D/44 and then return to frame 22682. 22682 22683‑22920.

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Classical Physics Laser Disk D/44 Van de Graff Generator How I Work

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  1. Classical Physics Laser Disk D/44 Van de Graff GeneratorHow I Work Created for CVCA Physics By Dick Heckathorn 31 December 2K + 2

  2. Using audio track 2/R • view all of D/44 • and then • return to frame • 22682.

  3. 22682 • 22683‑22920

  4. Why is it important to know that there is negative charge on the electroscope? • This negative charge is used to identify the kind of charge on the rubber belt and the rollers.

  5. 22921 • 22922‑23312

  6. Describe the charging process that occurs at the lower, Lucite roller. • When the belt is rubbed on the roller, the roller becomes positive, and the belt becomes negative.

  7. What evidence do you see that verifies this process? • The roller causes the rotor of the negatively charged electroscope to fall slightly, and the belt causes the rotor to rise.

  8. What happens to electrons in this process? • Electrons are rubbed off the roller onto the rubber belt.

  9. 23313‑23589

  10. Describe the charging process that occurs at the upper, polyethylene roller. • When the belt is rubbed on the polyethylene roller, the roller becomes negative, and the belt becomes positive.

  11. What evidence do you see of this process? • The belt causes the rotor of the negatively charged electroscope to fall slightly and the roller causes the rotor to rise.

  12. What happens to electrons in this process? • Electrons are rubbed off the rubber belt and onto the polyethylene roller.

  13. Step through23590‑23593 These still frames show how the machine is assembled.

  14. 23594‑24404

  15. What is the function of the lower induction screen? • The screen provides lightning rod‑like points which permit electrons to jump from the ground connection to the lower roller to replace those rubbed onto the rubber belt.

  16. What is the function of the upper induction screen? • Electrons are rubbed off the belt onto the upper roller, leaving the belt positive and the roller negative. The screen provides points onto which electrons can jump as they are transferred from the roller to the metal globe on the top of the machine.

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