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P2 (Component symbols, Series Circuits, Resistors, Parallel circuit,…

- - - - Always in parallel
  - - - Always in series
      - Measures current
- - - - Volt meters must be added in parallel
- - - - Non-ohmic, non-linear, not directly proportional
      - As it gets hotter the atom vibrate more meaning the are more collisions increasing the resistance
  - - - Current only flows in one direction the forward direction
  - - - Resistance adds together in series
    - - The total resistance of two resistance in parallel is less than the resistance of the smallest individual resistance
  - - - LURD
  - - - TURD
- - - - Ohm’s law says that for an Ohmic conductor, the potential difference is directly proportional to the current.
        
        IV graph for a ohmic resistor
  - - - Resistance is caused by the electrons colliding with metal ions. When the length of the wire is increased, the electrons have to travel further. So the chance of collisions will increase, causing the resistance to increase.