Electric materials
How a microphone works, types of microphones. Useful for electrician: electrical engineering and electronics
Special electro-acoustic devices called microphones are used to convert sound vibrations into electric current. The name of this device is...
How does the solenoid valve work?
The solenoid valve serves as an automatic shut-off device to control the movement of liquid or gaseous media in pipelines for various...
Types, structure and characteristics of temperature regulators (thermostats). Useful for electrician: electrical engineering and electronics
Thermostats are electromechanical or electronic devices designed to maintain a predetermined temperature of the environment or the body. These devices find…
Zinc oxide varistors for surge arresters. Useful for Electrical Engineering: Electrical and Electronics Engineering
Zinc oxide varistors are semiconductor products with symmetrical non-linear current-voltage (CVC) characteristics. Such varistors are most widely used in
Electromagnetic devices: purpose, types, requirements, design «Useful for an electrician: electrical engineering and electronics
The production, transformation, transmission, distribution or consumption of electrical energy is carried out using electrical devices. Of all their variety...
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Why is electric current dangerous?