Repair of electrical equipment
What is the difference between a DC ammeter and an AC ammeter?
Ammeters are devices for measuring the strength of the current, the magnitude of the current. These devices are always connected in series in the circuit,...
Classification of Electrical Meters, Symbols of Device Scales « Useful for Electrician: Electrical Engineering and Electronics
To control the correct operation of electrical installations, test them, determine the parameters of electrical circuits, account for the consumed electrical energy and...
Ammeter and voltmeter device. Useful for electrician: electrical engineering and electronics
Initially, voltmeters and ammeters were only mechanical, and only many years later, with the development of microelectronics, they began to...
Means and methods for measuring magnetic quantities.Useful for electrician: electrical engineering and electronics
Sometimes, to solve technical problems or for research purposes, it is necessary to measure magnetic quantities. Of course, the value of...
Normalization of converters — purpose, device and principle of action. Useful for electrician: electrical engineering and electronics
For the purpose of primary processing of the signal from the output of the primary transducer, such as a resistance thermometer, a thermoelectric thermometer or a measuring...
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Why is electric current dangerous?