Repair of electrical equipment
Metals and Dielectrics—What are the Differences? Useful for electrician: electrical engineering and electronics
The valence electrons of a metal are weakly bonded to their atoms. When metal atoms condensing from metal vapors form a liquid...
What is an electrolyte? Useful for electrician: electrical engineering and electronics
Substances in which the electric current is due to the movement of ions, that is, ionic conductivity, are called electrolytes. Electrolytes are classified…
Polar and non-polar dielectrics. Useful for electrician: electrical engineering and electronics
According to the views of classical physics, dielectrics are fundamentally different from conductors, because under normal conditions there are no free...
Organic semiconductors. Useful for Electrical Engineering: Electrical and Electronics Engineering
The use of organic semiconductors extends to many areas of electronics: they are applicable as light-sensitive materials for...
Dielectrics with special properties — ferroelectrics and electrics.Useful for electrician: electrical engineering and electronics
Dielectrics in the usual sense of the word are substances that acquire an electric moment under the action of an external electrostatic field. Among dielectrics...
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Why is electric current dangerous?