series and parallel circuits

• in a series circuit the current has the value is the same everywhere
• what is potential difference?

  the driving force that pushes the charge around
• what is alternating current?


  constantly changing direction
• in a parallel circuit the potential difference is the same across all components and the current is shared
• a diode has low resistance in the forward direction but high resistance in the other direction
• in a series circuit the potential difference is shared
• the graph of an ohmic conductor is directly proportional