COLUMBIA UNIVERSITY - DEPARTMENT OF PHYSICS

PHYS 1493

Experiment 4:

e/m   OF THE ELECTRON

General Discussion

• 4.1 Experimental Apparatus

  • 4.1.1 The Sealed Glass Tube

  • 4.1.2 The Helmholtz Coils and Uniform Magnetic Field

• 4.2 Procedure

  • 4.2.1 Orientation of the Apparatus

  • 4.2.2 Preliminary Adjustments

  • 4.2.3 Measurement of the Circular Orbits

  • 4.2.4 Calculations

  • 4.2.5 Errors