Diamagnetics
Diamagnetics are materials or substances that do not possess permanent magnetic properties and repel external magnetic fields. Diamagnetism is one of the three main forms of magnetism, along with ferromagnetism and paramagnetism.
Category «General terms»
Electrometer
Law of conservation of electric charge
The Law of Conservation of Electric Charge states that electric charge cannot be created or destroyed; it can only be transferred from one body to another.
Renewable energy sources
Renewable energy sources are sources of energy that can be continuously used and do not get depleted through utilization.
Current density
Current density is a vector physical quantity equal to the ratio of the electric current passing through an elementary surface located perpendicular to the direction of charge movement to its area.
Faraday’s Law
Faraday’s Law is a fundamental law of electromagnetism that describes the interaction between electricity and magnetism. The law was discovered by Michael Faraday in 1831.
Types of Power Plants
Types of Power Plants. Depending on the source of energy, the following types of power plants are distinguished: Thermal power plants, hydroelectric power plants, nuclear power plants, unconventional power plants. An electric power station is a complex of installations, equipment, and apparatus used directly for the production of electrical energy, as well as the necessary …
Permanent magnet
A permanent magnet is an object that retains its magnetization for a long period of time. A magnetic field exists around a magnetized object. This magnetic field exerts a magnetic force on another magnetized object. The locations on a magnet with the greatest magnetic effect are called the magnet’s poles. Each magnet has two poles: …
Magnetic flux
Magnetic flux – is the flow of the magnetic induction vector through a certain surface. (symbol Φ) In the SI system, the unit of magnetic flux is the weber (1 Wb = 1 V·s = 1 T·m² = 1 J/A = 108 maxwells in the CGS system – maxwell (1 Mx = 1 Gs·cm² = …
Electric field
Electric field is a special form of matter that exists around charged objects or particles and exerts a certain force on other particles or bodies with electric charge.