In alternating current circuits, energy storage elements such as inductors and capacitors may result in periodic reversals of the direction of energy flow.
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AC - from WIkipedia
Power in an electric circuit is the rate of flow of energy past a given point of the circuit.
The portion of power that, averaged over a complete cycle of the AC waveform, results in net transfer of energy in one direction is known as active power (sometimes also called real power).
The portion of power due to stored energy, which returns to the source in each cycle, is known as reactive power.
Selecting the best electrician
Many people are primarily choosing electrical services it is guided by the low price. On the one hand, yes, you can save in this way, but cheaper services often turn out to be insufficient to complete the repair electrical wiring. Therefore, choosing an electrician check to see if it is popular with customers, and they have experience in the profession performed.
It turns out that the more experienced electrical, the better and more efficiently, you can remove the fault.
This allows customers to get quick help, which admittedly can be expensive, but avoid thanks to frequent call an electrician to our installation.
Where to find help regarding problems with electricity?
The virtual network is a source of information of all kinds, and this is primarily due to the fact that anyone who has access to the Internet, you can actually write anything there.
When it comes to electrical services, this issue looks the same.
The Internet is full of advice relating to self-repair minor faults.
If they do not come from a known source, however, we should not make major repairs on their own. Websites specific electricians also contain different advice, but here they concern primarily the need to call an electrician. It may turn out that insufficiently tightened the fuse will make that we will be deprived of light, and for such a trifle is not worth it to call professional help..