Complete Fine Beam Tube for Determining the Charge and Mass of An Electron


Complete Fine Beam Tube for Determining the Charge and Mass of An Electron



Complete Fine Beam Tube for Determining the Charge and Mass of An Electron

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Complete Fine Beam Tube for Determining the Charge and Mass of An Electron . This compact self-contained unit is used to explore electron properties and measure e/m. A vertically oriented vacuum tube containing a trace of inert gas oriented to emit a focused beam of electrons horizontally, creating a visible fine beam. -- The tube and base can be rotated about their vertical axis, varying the orientation of the electron beam to a pair of Helmholtz coils. This allows magnetic deflection of the beam to be demonstrated. Circular, helical or undeflected paths can be seen. -- Built-in LED indicators show the direction of current flow in the coils and allow students to use the Lorentz relation to show that the electronic charge is negative. A pair of electrode plates is attached to the main electrode assembly to demonstrate electrostatic deflection. -- The base of the unit contains a power supply that provides all the required potentials and has built-in panel meters for the coil current and beam accelerating voltage. 110V/60Hz AC. Comes with manual.

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