Repair of electrical equipment
What is rosin for? Useful for electrician: electrical engineering and electronics
Rosin belongs to natural insulating resins. It is a brittle glass substance in the form of irregularly shaped pieces. The colophon is...
Electrical insulating varnishes. Useful for electrician: electrical engineering and electronics
Electrical insulating varnishes are colloidal solutions of various film-forming substances in specially selected organic solvents. Such things are called film formers.
Electrical steel and its properties. Useful for Electrical Engineering: Electrical and Electronics Engineering
Sheet electrical steel is most widely used in electrical engineering. This steel is an alloy of iron with silicon, the content of which is...
Semiconductor materials — germanium and silicon. Useful for electrician: electrical engineering and electronics
Semiconductors represent a vast area of ​​materials that differ from each other in a wide variety of electrical and physical properties,...
Bronzes and brasses in electrical engineering. Useful for electrician: electrical engineering and electronics
Of the copper-based alloys, bronzes and brass are the most widely used in electrical engineering. Bronzes are alloys of copper with tin, aluminum...
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Why is electric current dangerous?