Introduction to Electricity

Electricity: 

- The set of physical phenomena associated with the presence and flow of electric charge. 

- Gives a wide variety of well-known effects, such as:
    * Lightning 
    * Static electricity
    * Electromagnetic induction 
    * Electrical current. 

- Electricity permits the creation and reception of electromagnetic radiation such as radio waves.

- Charges produce electromagnetic fields which act on other charges.

- Electricity occurs due to several types of physics:
   * Electric charge
   * Electric field
   * Electric potential
   * Electric current
   * Electromagnets

- In electrical engineering, electricity is used for:
   * Electric power
   * Electronics 


Edited from,
~ http://en.wikipedia.org/wiki/Electricity