Simple circuit

From Wikipedia, the free encyclopedia

A Simple circuit contains the minimum things needed to have a functioning electric circuit. It requires three things:

  1. A source of electrical potential difference or voltage. (typically a battery or electrical outlet)
  2. A conductive path which would allow for the movement of charges. (typically made of wire)
  3. An electrical resistance (resistor) which is loosely defined as any object that uses electricity to do work. (a light bulb, electric motor, heating element, speaker, etc.)

Despite being considered simple, such circuits are useful and quite common. Examples include:

  • flashlights
  • doorbells