Series and Parallel Circuits Lab — Adam Cap Mar 22, 2010The calculated equivalent resistances for the series circuits will abide by the equation R eq = R 1 + R 2 and for the parallel circuits the value will be similar to 1/R eq = 1/R 1 + 1/R 2. The current flow is expected to be uniform throughout the series circuits, but will be stronger through the smaller resistor in the parallel circuits. Series-Parallel Circuits Lab - Free Class Notes Online Series-Parallel Circuits Lab. Objectives: 1. Calculate and measure the voltage, current and resistance characteristics of complex series parallel circuits.