2. 24-1 Physics I Class 24 e/m Ratio for the Electron

3. 24-2 Joseph John (“J.J.”) Thomson

4. 24-3 Calculating Change in K.E. from Electric Potential (Review)

5. 24-4 Magnetic Force on a Moving Charge (Review)

6. 24-5 The Radius of the Circle (Review)

7. 24-6 Apparatus for Measuring e/m

8. 24-7 The Cathode Ray Tube

9. 24-8 Analysis of Electron Acceleration

10. 24-9 Helmholtz Coils

11. 24-10 Derivation of e/m Formula

12. 24-11 Experimental Procedure

13. 24-12 Viewing the Electron Path

14. 24-13 A Similar Application -- Mass Spectrometer

15. 24-14 Basic Operation of a Magnetic Sector Mass Spectrometer

16. 24-15 Mass Spectrometer Diagram

17. 24-16 Class #24 Take-Away Concepts

18. 24-17 Activity #24 Measuring e/m for the Electron

19. 24-18 Optional Material for Class #24

20. 24-19 Robert Andrews Millikan

21. 24-20 Analysis of Oil Drop Experiment