File:Preferred values 01 Pengo.svg

The E12 series of preferred values.

Relative area of each circle represents the value, but I'm not sure the sizes are really all correct.

• 
  Spiral of E12 values 1 to 1000. Relative area of each circle represents the value.
• 
  E12 series and resistor colours (horizontal)
• 
  E12 series and resistor colours (vertical)
• 
  E12, highlighting addition to illustrate it
• 
  E12 resistor colour codes

Photo credit: Peter Halasz. (User:Pengo)

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