Electricity and magnetism

Resistors in series and parallel

Rs = R1 + R2  ·  1/Rp = 1/R1 + 1/R2

Rs series total, Rp parallel total

Watch forA parallel total is always smaller than the smallest branch.

Apply it · 3 questions

  1. Current through one branch of a combined circuitElectricity, magnetism, and electrochemistry · set 2 · hard
  2. Current in a series circuitElectricity, magnetism, and electrochemistry · set 2 · easy
  3. Equivalent resistance in parallelElectricity, magnetism, and electrochemistry · set 2 · easy