# Resistors in Series

Written by Jerry Ratzlaff on . Posted in Electrical Engineering

No matter how many resistors in series there are, two or ten, just specify the number of resistors and the resistance value for each one.

## Resistors in Series formula

 $$R_t = R_1 + R_2 + R_3 + ... + R_n$$

### Where:

 Units English Metric $$R_t$$ = total resistance $$\large{\Omega}$$ $$\large{\frac{kg-m^2}{s^3-A^2}}$$ $$R_1$$ = resistance of first resistor $$\large{\Omega}$$ $$\large{\frac{kg-m^2}{s^3-A^2}}$$ $$R_2$$ = resistance of second resistor $$\large{\Omega}$$ $$\large{\frac{kg-m^2}{s^3-A^2}}$$ $$R_3$$ = resistance of third resistor $$\large{\Omega}$$ $$\large{\frac{kg-m^2}{s^3-A^2}}$$ $$R_n$$ = resistance of number resistor $$\large{\Omega}$$ $$\large{\frac{kg-m^2}{s^3-A^2}}$$

Tags: Electrical Equations