China Wholesale Helmholtz Coil Quotes – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor

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China Wholesale Helmholtz Coil Quotes – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor Detail:

Description

Thermionic emission, one of its founders was Owen W. Richardson (1879～1959), 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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As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for China Wholesale Helmholtz Coil Quotes – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor , The product will supply to all over the world, such as: Czech, Tajikistan, Serbia, Our objective is "to supply first step products and best service for our customers, thus we are sure you must have a margin benefit through cooperating with us". If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.

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Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.

By Victor Yanushkevich from Gabon - 2017.08.18 18:38

This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.

By Ethan McPherson from Thailand - 2017.09.29 11:19

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