Enter the total resistance, length, and cross-sectional area of a component. The calculator will evaluate and display the resistivity.

## Resistivity Formula

The following equation is used to calculate the resistivity of an electrical component or wire.

p = R * A / L

- Where p is the resistivity
- R is the resistance
- A is the cross-sectional area
- L is the length

## What is resistivity?

Resistivity is a term used in electronics that describes the rate at which a component or wire resists flow of electrons or electricity. It’s a resistance per unit of distance. So the longer the wire the lower the resistivity and vice versa.

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