Fundamentals of Electronics
Why do different materials have different resistance? Useful for Electrical Engineering: Electrical and Electronics Engineering
The amount of current flowing through a wire is directly proportional to the voltage across its ends. This means that the higher the voltage...
What is a pole of a power source? Useful for electrician: electrical engineering and electronics
The Latin word "polus" comes from the Greek "stripes". In a broad sense, this term means the border, limit, or end point of something,…
What is electrical conductivity? Useful for electrician: electrical engineering and electronics
Speaking about the property of this or that body to prevent the passage of electric current through it, we usually use the term "electric...
The device and principle of operation of the transformer "Useful for an electrician: electrical engineering and electronics
To convert electrical voltage of one magnitude into electrical voltage of another magnitude, that is, to convert electrical power,...
How is electricity supplied to businesses and other consumers? Useful for electrician: electrical engineering and electronics
Conversion of potential energy of different types of fuels (peat, coal, shale, petroleum products, gas, etc.), nuclear energy, as well as...
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Why is electric current dangerous?