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China Wholesale Earth Magnetic Field Suppliers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor

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China Wholesale Earth Magnetic Field Suppliers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor Detail:

Description

Thermionic emission, one of its founders was Owen W. Richardson (18791959), a famous physicist in England, who discovered the thermionic emission law, namely Richardson law, pointing out the way for designing reasonable electron emission mechanism. His study had a profound impact on development of radio electronics, and won the 1928 Nobel Prize in Physics as a result.

Functions

1. Understand the concept of thermionic electron emission and verify the Schottky effect

2. Understand the concept of work function of a metal

3. Learn how to measure metal work function based on Richardson straight-line method

4. Understand magnetron principle and determine charge-mass ratio (e/m) by magnetron

 

Specifications

Description Specifications
Ideal diode pure Tungsten filament
filament current: 0.400 ~ 0.800 A; accuracy: 1.0 mA
anode voltage: DC 0 ~120 V; accuracy: 0.1 V
Parameters of coil inner radius: r1=24.0 mm
outer radius: r2=36.0 mm
length: L=18.0 mm
number of turns: N=800
Magnetization current 0 ~ 0.800 A

Parts List

Item Qty
Main unit 1
Ideal diode 1
Housing 1
Magnetization coil 1
Wires 8
Manual 1

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China Wholesale Earth Magnetic Field Suppliers –  LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor detail pictures


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We have been also concentrating on enhancing the things management and QC method so that we could preserve terrific edge inside the fiercely-competitive enterprise for China Wholesale Earth Magnetic Field Suppliers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor , The product will supply to all over the world, such as: Iceland, Cologne, Doha, With many years good service and development, we've a professional international trade sales team. Our products have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future!
  • The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
    5 Stars By Daisy from Hongkong - 2017.04.28 15:45
    This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Dee Lopez from Colombia - 2018.06.21 17:11
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