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Answer:

A carbon composition resistor having only three color stripes has a tolerance of 20 percent .

A resistor would normally have four color codings, with the fourth color indicating tolerance. A resistor having no band at all would mean a 20% tolerance.

What is Tolerance of Resistor

Tolerance of resistors means/indicates the amount of deviation or changes a resistor can take and still operate within allowable limits.

There are several types of Resistor

  • Fixed Value Resistors
  • Variable Resistors
  • Resistor Networks
  • Carbon Film Resistors
  • Metal Film Resistors
  • Wire wound Resistors
  • Metal Oxide Resistors
  • Metal Strip Resistors

Learn more about Resistors here:

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