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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Our primary objective is always to offer our clients a serious and responsible small business relationship, offering personalized attention to all of them 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: Tunisia, Cyprus, Finland, Due to our strict pursues in quality, and after-sale service, our product gets more and more popular around the world. Many clients came to visit our factory and place orders. And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!

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The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.

By Melissa from Doha - 2017.06.25 12:48

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 Diana from Malta - 2018.07.27 12:26

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