© Jonathan Bartlett 2020
J. BartlettElectronics for Beginnershttps://doi.org/10.1007/978-1-4842-5979-5_5

5. Your First Circuit

Jonathan Bartlett1 
(1)
Tulsa, OK, USA
 

In the last two chapters, we have learned about the fundamental units of electricity—charge, current, voltage, and resistance. In this chapter, we are going to put this information to use in a real circuit.

5.1 Circuit Requirements

For a circuit to function properly, you usually need several things:
  1. 1.

    A source of power which provides electricity for your circuit (this is usually a combination of both a source and destination for the electricity)

     
  2. 2.

    A network of wires and components that ultimately lead from the source to the destination

     
  3. 3.

    Some amount of resistance in your circuit

     

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