07. Electric Current, Voltage and Resistance

07. Electric Current, Voltage and Resistance

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• Electricity can seem very abstract and difficult to understand.  The key to 
  grasping the subject, like so many in Physics, is to build up a picture of 
  what is happening and follow the concepts through logically.  The aim of 
  this Factsheet is to help you do just that by explaining in simple terms 
  what current, voltage and resistance are and how they all play a part in an 
  electrical circuit.