The Electricity
The set of physical phenomena related to the presence and flow of electric charges 
Is defined as
Around 600 B.C., by such of Miletus
discovered by
- Statics, Dynamics
Types
It has become the most widely consumed type of energy in the world because it can be transported, regulated and controlled more easily than any other. Electric power has become so indispensable that it has a direct influence on the development of society. 
- intensity, voltage, resistance, power
- domestic, industry, transportation, medical
Aplications
Electric machines
Electric motor
electromagnets
electrochemistry
solenoid valves
lighting and illumination
heat production
robotics
luminous signals