Resistors in Series and Parallel

Front

Series Circuit

Back

Resistors connected end-to-end

Front

Parallel Circuit

Back

Resistors connected across same two points

Front

Total Resistance (Series)

Back

Sum of all resistances

Front

Total Resistance (Parallel)

Back

Reciprocal of sum of reciprocals

Front

Current in Series

Back

Same through all resistors

Front

Current in Parallel

Back

Divided among paths

Front

Voltage in Series

Back

Divided across resistors

Front

Voltage in Parallel

Back

Same across all resistors

Front

Ohm's Law

Back

V = IR

Front

Unit of Resistance

Back

Ohm (Ω)