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Electricity and direct current circuits, Power sources, Conductors -…

- - - - Electrons can not move espontanously; there has to be a component that caused this flow of electrons that is the job of the power source, which can bea call or a battery
      - Electrical energy is the most common formof energy because it is easy to obtain, it can be transported over long distances and it can easily be transformed into many other forms of enrgy
- - - - Components that receive the elctrical energy from the power sources and convert in to other types of useful energy
    - - Devices that regulate the circuit. The main types of control devices are one-way switches, push switches and two-way switches
    - - Components that transport the electrical energy from the power sources to the load devices.
    - - Components that supply the necesary electrical energy to the rest of the circuit in order to move the elctrons. The generatirs of direct current in a circuit are cells and batteries.
- - - - Push switch
        
        Component
        
        Open and close the circuit but only while the botton is pushed. These devices can either be normally opem or normally closed depending on what they do before they are pressed.
        
        Image
        
        Symbol
      - Two-way switch
        
        Component
        
        Have two positions. When we press them, they change from one position to the other.
        
        Image
        
        Symbol
      - One-way switch
        
        Component
        
        Open or close the circuit when they are pressed.
        
        Image
        
        Symbol
  - - - Component
        
        Converts electrical energy to light energy
      - Symbol
      - Image
    - - Component
        
        Converts electrical energy to kinetic energy
      - Image
      - Symbol
    - - Component
        
        Converts electrical energyto sound energy
      - Image
      - Symbol
    - - Component
        
        A load device that opposes the flow of the electric curret. Converts electrical energy to heat energy
      - Image
      - Symbol
- - - - Replace old electrical appliances with more efficient ones
      - Use certain domestic appliances only when they are full
      - Replace incandescent bulbs with low energy bulbs
      - Always switch off electronic equipment instead of leaving them in standby mode
- - - - PARALLEL CIRCUITS
        
        The load devices are connected on different branches of the wire. There are several possible paths for the electric current to flow through.
      - SERIES-PARALLEL COMBINATION CIRCUITS
        
        This circuit contain devices connected in series and in parallel.
      - SERIES CIRCUITS
        
        All the components are connected one after the other. This way, all the current flows through all the load devices. There is only one possible path for the electric current to flow throught.