Two electrical circuit problems demonstrating series and parallel configurations with detailed calculations for resistance, voltage, current, and Ohm's Law.

Diagrams and problem-solving steps for two electrical circuits: Item #1 shows a series circuit with resistors R1, R2, and R3, and Item #2 shows a parallel circuit with the same resistors, including given values, equations, and solutions for equivalent resistance, voltage, current, and Ohm's Law.