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How to determine the steps for using Ohm's Law with Series or Parallel Circuits                   Series Circuit YES Does the Circuit have one path for the electrons? NO Is the circuit path branched? YES Parallel Circuit   Voltage is not the same at each resistor! Determine the Voltage; Look for the Battery! Determine the Voltage; Look for the Battery! Voltage Remains the Same EVERYWHERE   Current Remains the Same EVERYWHERE Determine the Total Resistance: Rt= R1 + R2 + R3 + R4... Determine the Total Resistance: Rt= 1/R1 + 1/R2 + 1/R3.... There is a TOTAL current which equals the sum of each individual current at each resistor.     Determine the Total Current using Ohm's Law. This Current is the SAME all over the circuit. Determine the Total Current in the circuit using Ohm's Law. This current is NOT the same at each resistor     You can find the Voltage through each resistor by using Ohm's Law and the TOTAL Current.     Determine the current in each branch by using that resistance and the TOTAL Voltage