Repair of electrical equipment
Complex alternating currents. Useful for Electrical Engineering: Electrical and Electronics Engineering
In addition to simple, i.e. sinusoidal alternating currents, complex currents are often encountered where the graph of current change in...
Impulse current. Useful for Electrical Engineering: Electrical and Electronics Engineering
In various electronic devices, for example in electronic and semiconductor equipment, i.e. in amplifiers, rectifiers, radios, generators, televisions, as well as...
Phase shift in alternating currents «Useful for the electrician: electrical engineering and electronics
Alternating currents of the same frequency can differ from each other not only in amplitude, but also in phase,...
AC mathematical expression. Useful for electrician: electrical engineering and electronics
Alternating current can be expressed mathematically using an equation. Using this equation, you can find the instantaneous value of...
External characteristics of the EMF source. Useful for electrician: electrical engineering and electronics
The external characteristic reflects the dependence of the voltage at the source terminals on the magnitude of the load - the source current given by...
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Why is electric current dangerous?