Repair of electrical equipment

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What are meters? Useful for electricians: electrical engineering and electronics

Measuring devices - technical means used in measurements and with normalized metrological properties. By purpose, measuring devices are divided into...

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Digital oscilloscope: an overview of the main features. Useful for electrical engineering: Electricity and electronics

The digital oscilloscope, compared to its predecessor, has more options, one of which is storage, i.e. the received information is displayed...

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Features of measuring small and large resistances «Useful for an electrician: electrical engineering and electronics

Resistance is one of the most important parameters of an electrical circuit, which determines the performance of any circuit or installation. Obtaining...

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Thermal resistances and their use. Useful for electrician: electrical engineering and electronics

When an electric current flows, heat is generated in the wire. Part of this heat goes to heating the wire itself, the other...

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Measurement of the power of direct and alternating single-phase current.Useful for electrician: electrical engineering and electronics

From the DC power expression P = IU, it can be seen that it can be measured...