Electronics & Circuits
Basic

Resistors in Series

Series resistances add directly.

Formula

Req=R1+R2+⋯R_{eq} = R_1 + R_2 + \cdots

Variables

R_iIndividual resistances

Example

10 + 20 = 30Ω

Did You Know?

Resistors in series simply add up — the current has only one path through them all.

resistorseries