Enter the current of the source and the resistance of the resistors into the calculator. The calculator will display the current through each resistor entered.

## Current Divider Formula

The following formula is used to calculate the current going through an individual resistor of a series of resistors.

IR = IS * R / Rtotal

- Where IR is the current through the current resistor
- IS is the source current
- Rtotal is the total of all the resistors in the series
- R is the resistance of the individual resistor

How to calculate a current divider

**First, measure the source current**Measure the source current value in Ohms.

**Next, measure the resistance of the individual component**This will be the resistance of the component only, which could be anything from a resistor to a capacitor.

**Determine the total resistance**Add of the total resistance of all of the components in the series

**Calculate the the current**Calculate the current in the individual resistor using the information from steps 1-3 and the equation presented above.

## FAQ

**What is a resistor?**

A resistor is an electrical component that presents a resistance to the flow of current. It’s typically used to split currents and voltages between pathways.

**What is a current divider?**

A current divider is typically a series of resistors set up in parallel that split the current of a source.

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