We outline methods for solving circuit problems, starting with calculating equivalent resistance by combining resistors in series and parallel. By analyzing loops for voltage drops and junctions for c...We outline methods for solving circuit problems, starting with calculating equivalent resistance by combining resistors in series and parallel. By analyzing loops for voltage drops and junctions for current distribution, we solve for total current and voltages across resistors. Examples include predicting effects of circuit changes like shorted or burnt-out components, helping simplify complex circuit analysis.