Understanding Electricity

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To understand electricity, a easy way is to make an analogy to water.

We will try to do it here step by step.

Voltage

The Voltage[1] or "electric potential difference" (also called "tension") is like the pressure produced by the difference of level of the water.

The Voltage is denoted <math>V</math>

References

  1. http://en.wikipedia.org/wiki/Voltage