Learn about resistors in this comprehensive 35-minute physics lesson. Discover how to calculate equivalent resistance for resistors in series and parallel, including derivations of the formulas. Explore methods for determining potential drop, current, and power dissipation across resistors. Master the technique of simplifying complex circuit diagrams to find the equivalent resistance and analyze individual resistor properties within the circuit. Follow along with step-by-step explanations and examples to enhance your understanding of resistor behavior in various electrical configurations.