1, determination of electronic quantity e
The accurate measurement of the electric quantity e of electrons is carried out in a closed container. In the experiment, electrons are released from one electrode plate, accelerated by an electric field, and then hit another electrode plate. By measuring the accelerating voltage of electrons between two electrode plates and the speed at which electrons hit the second electrode plate, the charge of electrons can be calculated.
2. The position of electrons in physics.
Electrons are one of the basic particles that make up matter. They revolve around the nucleus, forming the basic structure of atoms. The discovery of electrons reveals the basic composition and properties of matter and provides a basis for understanding advanced physical theories such as quantum mechanics and relativity. Electrons are ubiquitous in daily life, and play a vital role from electronic equipment to energy production, from communication to medical treatment.
3, the size of the electronic quantity e..
The size of the electron charge e is1.60217663410-19 coulombs. The charge carried by any charged body is an integer multiple of e and the sum is equal to e. The electric quantity of the electron is the basic unit of matter, and the atom is composed of electrons, neutrons and protons. Neutrons are uncharged, protons are positively charged, and atomic electricity is not obvious.
Application of electron
1, communication and data processing
Electronics plays a key role in the fields of communication and data processing. From mobile phones, televisions to the Internet, electronic devices, as the core components of information transmission and interaction, enable people all over the world to exchange and share information in real time. The progress of electronic technology has promoted the development of cloud computing and big data processing technology, and provided powerful information processing capabilities for all fields of society.
2. Energy production and utilization
Electrons also show great potential in energy production and utilization. Solar panels convert light energy into electrical energy, and battery technology in electric vehicles converts electrical energy into mechanical energy to promote vehicle operation. Electronic technology improves the efficiency of energy utilization and is of great significance to the realization of sustainable development.
3. Health care and health
Electronics are widely used in medical and health fields. Electronic medical equipment, such as electrocardiograph and ultrasonic diagnostic instrument, can provide accurate diagnosis basis. The application of electronic sensors in health monitoring, sports equipment and other fields enables people to better understand their own health status and improve their quality of life.