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CareerEd LibreTexts

1.03: Parallel Circuit Rules

  • Page ID
    2231
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    • 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