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Millikan's Apparatus

Millikan's Apparatus

Retail Price $1,889.00

Product Code: 3B-U131001
Item no longer available


Compact apparatus for demonstrating the discrete nature (quantization) of electric charge and for determining the elementary charge of an electron. The experiment is set up on a height-adjustable tripod and consists of a plate capacitor under a plastic cover, measuring microscope, lighting apparatus and an oil atomizer. Includes a plastic bottle containing oil. Power Supply (U13105-115 or U13105-230) sold separately.

Experiment topics:

  • Millikan's experiment
  • Elementary electric charge
  • Charged oil droplets in an electric field
  • Stokes viscous drag, weight, buoyancy
  • Measurements of the equilibrium voltage and the velocity of fall
  • Measurements of the velocity of fall, the velocity of rise, and the associated plate voltages
  • 6 mm Plate diameter
  • 80 mm Halogen lamp
  • 12 V / 10 W Objective magnification
  • 2x Eyepiece magnification
  • 10x Micrometer range: 10 mm
  • Scale divisions: 0.1 mm
  • Connections: 4 mm sockets
  • Dimensions: 250x300x450 mm approx.
  • Weight: 4.0 kg approx.

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