Series and Parallel Circuits What are Series and Parallel Circuits? Series Circuit A circuit which all current travels through each device. Parallel Circuit A circuit with several current paths whose total current equals the sum of the surrents in its branches. Example of Series and Parallel circuit Since there is only one path,the current(I)is restricted by the total resistant(R) of that path •Components in a series circuit share the same current: ITotal = I1 = I2 = . . . In

•Total resistance in a series circuit is equal to the sum of the individual resistances: RTotal = R1 + R2 + . . . Rn

•Total voltage in a series circuit is equal to the sum of the individual voltage drops: ETotal = E1 + E2 + . . . En •Components in a parallel circuit share the same voltage: ETotal = E1 = E2 = . . . En

•Total resistance in a parallel circuit is less than any of the individual resistances: RTotal = 1 / (1/R1 + 1/R2 + . . . 1/Rn)

•Total current in a parallel circuit is equal to the sum of the individual branch currents: ITotal = I1 + I2 + . . . In. Ways Parallel and Series used today..? Parallel

Houses

Christmas lights Series

Flashlight

Wall swicth in series with light Properties of Prarllel and Series circuit

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# Series and Parallel Circuits

Physics