- Agenda
- Review
- The Only Four Equations that Can Describe Resistor-Inductor Current and Voltage
- The Time Constant Describes How Fast RL Circuits' Voltages and Currents Decay
- The Time Constant Describes How Fast RL Circuits' Voltages and Currents Rise
- An Equation for the Time Constant, Tau, for Resistor-Inductor Circuits
- A First Example
- Changes in the Time Constant, Tau, Affect the Rate of Decay in RL Circuits
- A Second Example
- Summary
What you'll learn
- How do I solve circuits with inductors?
- How do I find the initial and final values for current in an inductor circuit?
- What is a time constant?
- How do I calculate the time constant for a resistor-inductor circuit?
Description
Day 26 of Linear Circuits. Inductors are one of the three passive circuit components (along with resistors and capacitors). However, their operation and behavior is often shrouded in mystery. After seeing what inductors are and how they work in our previous lecture, today, we will see how we can always find the initial and final values for resistor-inductor circuits' currents and voltages AND specify their entire behavior by just one variable -- the time constant, TAU.
The material covers all of the lecture material from an twenty-sixth lecture in a traditional, sophomore-level linear circuits class.
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About the instructors
- 4.5 Calificación
- 95796 Estudiantes
- 31 Cursos
Mark Budnik
2019 ASEE Engineering Professor of the Year
Mark Budnik is a 30+ year veteran of the electronics industry and academia. He holds the position of Teaching Professor in the Electrical and Computer Engineering Department at Carnegie Mellon University. He has won numerous institution, regional, and national teaching awards including the 2019 American Society for Engineering Education Outstanding Teacher Medal and the 2015 Disney's Inspiring Brilliance Award.
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Thanks, teacher, my regret is did not find you early.