Repair of electrical equipment
Lichtenberg figures: history, physical principle of the effect. Useful for electrician: electrical engineering and electronics
Lichtenberg's figures are called branched, tree-like images, patterns obtained by passing electrical discharges of high...
Application of superconductivity in science and technology. Useful for electrician: electrical engineering and electronics
Superconductivity is called a quantum phenomenon, which consists in the fact that some materials, when their temperature is brought to a certain...
The time constant of an electric circuit — what is it and where is it used? Useful for electrician: electrical engineering and electronics
Periodic processes are inherent in nature: day is followed by night, the warm season is replaced by the cold, etc. The period...
Thunder and Lightning: 35 Frequently Asked Questions
Lightning is one of the most beautiful mysteries on Earth, but it is very dangerous because it possesses gigantic destructive power. Even...
The history of the creation of a lightning rod (lightning rod), the first inventions of lightning protection ”Useful for an electrician: electrical engineering and electronics
When Benjamin Franklin came up with the lightning rod (lightning rod), many did not believe it. Is it possible for man to obstruct God's providence? But Franklin...
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Why is electric current dangerous?