Examples for

Resistors
Resistors are common electrical components that impede an applied electric current. Use Wolfram|Alpha to compute the resistance of resistors in parallel and series. Translate resistor color codes to and from resistance values.

Color Codes

Translate resistor color codes into resistance and back.

Calculate the color code for a resistor:

Compute resistance from resistor color codes:

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Resistors in Parallel & Series

Calculate total resistance for resistors in parallel and series.

Compute resistance for resistors in parallel:

Compute resistance for resistors in series:

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