A close relative of steady RC circuits, the transient RC deals with changes over time. As shown in the graphs in the video, you can see how the current logarithmically decreases and the charge and voltage exponentially increase while charging a circuit. Now, as you might expect the current, charge, and voltage of the circuit all logarithmically decrease when the circuit discharges. These six graphs can be mathematically shown by utilizing Kirchhoffs voltage law. The final element of circuitry in the E&M course is the time constant, tau, which is described in the video as a measure of progress.
The time constant in an RC circuit, tau, is equal to the circuit’s resistance multiplied by its capacitance.
The time constant indicates the time at which the quantity under observation has achieved 63% of its final value.
By 5 time constants, the quantity under observation is within one percent of its final value.
RC Circuits: Transient Analysis
Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.
This book includes a comprehensive review of the key AP Physics C concepts and targeted strategies for acing every section of the exam. Additionally, the book includes two full length practice tests with full answer explanations.
The book offers a complete review of your AP course, strategies to give you the edge on test day, and plenty of practice with AP-style test questions. It includes 2 full length practice exams modeled on the real test, 3 separate plans to fit your study stle, review material updated to the most recent tests, and all the terms and concepts you need to know.