What is a resistor?           Electronics - Resistors
  Resistors & Resistance     How resistance to electric current works
  Insulation resistance of single core cable     Color Coding of Resistors
  Resistor Color Codes     Resistor Color Codes
  Decoding the Color Code of 4 & 5 band resistors     Resistor SMD Code
  MAKE presents: The Resistor     How A Resistor Works
  Law of resistance