It consists of a set of individual colored rings or bands in spectral order representing each digit of the resistors value. This is an international and universally accepted method, developed many years ago as a simple and quick way of identifying a resistors ohmic value no matter what its size or condition. Since the average resistor is too small to have the value printed on it, the resistance value is displayed using the color code ( the colored bars/the colored stripes ). For example, the values 1, 2.2, 4.7 and 10 are used in a typical situation. The resistance value is a discrete value. In our previous post we saw that there are many different types of Resistor available that can be used in both electrical and electronic circuits.
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