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 (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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We not only will try our best to offer excellent services to every customer, but also are ready to receive any suggestion offered by our customers 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: Cape Town, Naples, Australia, We'd like to invite customers from abroad to discuss business with us. We can present our clients with high quality products and excellent service. We're sure that we'll have good cooperative relationships and make a brilliant future for both parties.

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Production management mechanism is completed, quality is guaranteed, high credibility and service let the cooperation is easy, perfect!

By Christine from Sao Paulo - 2017.03.28 12:22

The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.

By Bertha from San Diego - 2018.10.01 14:14

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