Question

What's the use of resistance colour code........??

Answer 1

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A resistor colored White-Violet-Black would be 97 Ω with a tolerance of +/- 20%.

only three color bands on a resistor, you know that it is actually a 4-band code with a blank (20%) tolerance band.

Answer 2

An electronic color code is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others.



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