1.1. For the circuit in Fig. 1.1: a) Identify and label all distinct nodes (a, b, c, etc.) b) Which of those nodes are extraordinary nodes? c) Identify all combinations of 2 or more circuit elements that are connected in series d) Identify pairs of circuit elements that are connected in parallel Fig. 1. Circuit for Problem 1.1 Solution Fig. 1.1(a) a) Nodes are identified in Fig. 1.1(a) b) Nodes a, b and d are extraordinary – at least 3 branches meet c) R4 and R5 are in series – a single color connects them without branches d) R1 and V1 share common colors at each end, so they are in parallel