# Linear Circuits 1 – 27 – Inductors, Part 3

What you will learn

### A simple process to solve any resistor-inductor linear circuit

Description

Day 27 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 how to find the initial and final values of currents and voltages, today, we introduce a solution process that uses this information for any resistor-inductor circuit.  That’s pretty cool.   : )

The material covers all of the lecture material from an twenty-seventh lecture in a traditional, sophomore-level linear circuits class.

English
language

Content

### Introduction

Agenda
Review
A Process to Solve Any Resistor-Inductor Circuit

### A First Example

A First Example
Step 1 – Finding i(t=0-)
Step 2 – Finding i(t=0+)
Step 3 – Finding i(t=infinity)
Step 4 – Finding the Voltage Drop Across the Inductor at t =0 and t = infinity
Step 5 – Finding the Time Constant, Tau, of the Circuit
Step 6 – Choose One of the Final Equations, and Plugin Your Values

### A Second Example

Step 1 – Finding i(t=0-)
Step 2 – Finding i(t=0+)
Step 3 – Finding i(t=infinity)
Step 4 – Finding the Voltage Drop Across the Inductor at t =0 and t = infinity
Step 5 – Finding the Time Constant, Tau, of the Circuit
Step 6 – Choose One of the Final Equations, and Plugin Your Values

### Summary

Summary

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