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China Wholesale PN Junction Manufacturers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor

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China Wholesale PN Junction Manufacturers – 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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The shopper satisfaction is our primary focus on. We uphold a consistent level of professionalism, quality, credibility and repair for China Wholesale PN Junction Manufacturers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor , The product will supply to all over the world, such as: Canada, Hanover, Yemen, Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.
Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
5 Stars By Doreen from Ukraine - 2018.09.21 11:44
High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
5 Stars By Anna from Brasilia - 2017.04.28 15:45
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