Learn about RL circuits in this 13-minute physics video. Explore the behavior of circuits containing both resistors and inductors, understanding how they affect current flow. Discover the time-dependent nature of current in RL circuits and the formula for calculating it, including the time constant. Examine how inductors store potential energy in magnetic fields and the relationship between current and stored energy. Apply your knowledge to solve RL circuit practice problems. Gain a comprehensive understanding of RL circuit principles and their practical applications in electrical engineering.