| i, imaginary operator | Polar and rectangular notation |
| I, symbol for current | DC circuit equations and laws |
| | Series resistor-capacitor circuits |
| | Series resistor-inductor circuits |
| | Ohm's Law |
| i, symbol for instantaneous current | Capacitors and calculus |
| | Inductors and calculus |
| | AC Resistor Circuits |
| | AC Resistor Circuits |
| IC | Resistors |
| | Current mirrors |
| | Introduction |
| | Introduction |
| | Introduction |
| IDE bus | Short-distance busses |
| IGBT | Field-effect-controlled thyristors |
| | IGBTs |
| IGT | Field-effect-controlled thyristors |
| | IGBTs |
| Illegal state | The S-R latch |
| | NOR gate S-R latch |
| Impedance | Maximum Power Transfer Theorem |
| | AC Circuit Equations |
| | Review of R, X, and Z |
| | Series R, L, and C |
| | Susceptance and Admittance |
| | Series resistor-capacitor circuits |
| | Series resistor-inductor circuits |
| | Introduction |
| | Input and output coupling |
| impedance matching | Special transformers and applications |
| | Sensitive audio detector |
| | Sensitive voltage detector |
| impedance, amplifier | Voltage Follower |
| Impedance, characteristic | Characteristic impedance |
| impedance, definition | Sensitive audio detector |
| | Sensitive voltage detector |
| Incident wave | Finite-length transmission lines |
| Indicator | Voltage signal systems |
| Inductance | Magnetic fields and inductance |
| | Factors affecting inductance |
| | AC Inductor Circuits |
| Inductance equation | Inductor sizing equation |
| Inductance, leakage | Stray capacitance and inductance |
| Inductance, mutual | Practical considerations |
| | Mutual inductance |
| induction | What is alternating current (AC)? |
| induction heating | Energy losses |
| induction motor | Single-phase induction motors |
| | Tesla Polyphase Induction Motors |
| | Construction |
| | Theory of operation |
| | Motor Starting and Speed Control |
| | Linear induction motor |
| Induction, electromagnetic | Electromagnetic induction |
| | Electromagnetic Induction |
| inductive "kickback" | Sensitive audio detector |
| | Electromagnetism |
| | Sensitive voltage detector |
| Inductive coupling | Introduction |
| | Circuit effects |
| Inductive heating | Inductor quirks |
| Inductive output tube | Microwave tubes |
| Inductive reactance | Magnetic fields and inductance |
| | AC Inductor Circuits |
| Inductor | Magnetic fields and inductance |
| | Electromagnetic induction |
| | AC Inductor Circuits |
| | How to Make an Inductor |
| inductor, toroidal | Factors affecting inductance |
| Inductors, series and parallel | Series and parallel inductors |
| Infineon | Infineon HiPAC-EDT |
| Input, inverting | Single-ended and differential amplifiers |
| Input, noninverting | Single-ended and differential amplifiers |
| inrush current | Fuses |
| Inrush current, transformer | Inrush current |
| Instantaneous value | Capacitors and calculus |
| | Inductors and calculus |
| | Electromagnetic induction |
| | AC Resistor Circuits |
| | AC Resistor Circuits |
| | How voltage, current, and resistance relate |
| Insulated-Gate Bipolar Transistor | Field-effect-controlled thyristors |
| | IGBTs |
| Insulated-Gate Transistor | Field-effect-controlled thyristors |
| | IGBTs |
| insulation breakdown | Nonlinear Conduction |
| | High voltage ohmmeters |
| Insulation, wire | Ohm's Law (again!) |
| Insulator | Conductors, insulators, and electron flow |
| | Introduction |
| | Insulator breakdown voltage |
| integral, calculus | Core saturation |
| Integral, indefinite | Calculus Reference |
| integrated circuit | Resistors |
| | Current mirrors |
| | Introduction |
| | Introduction |
| | Introduction |
| Integration, calculus | Computational circuits |
| | Differentiator and integrator circuits |
| integrator | Integrator |
| interactive adjustment | Precision potentiometer |
| Interlock, mechanical | Permissive and interlock circuits |
| Interlocking | Permissive and interlock circuits |
| Interpreter | Using the Spice Circuit Simulation Program |
| | Microprocessor programming |
| intersection | Venn Diagram and Sets |
| intrinsic semiconductor | Intrinsic Semiconductor |
| Invalid state | The S-R latch |
| | NOR gate S-R latch |
| Inverter gate | Digital signals and gates |
| | The NOT gate |
| Inverter gate, CMOS | CMOS gate circuitry |
| Inverter gate, totem pole TTL | The NOT gate |
| Inverting amplifier | Divided feedback |
| | The common-emitter amplifier |
| | Noninverting amplifier |
| | Common-Emitter Amplifier |
| Inverting summer | Averager and summer circuits |
| ionic bond | Electron activity in chemical reactions |
| ionization | Nonlinear Conduction |
| | Ionization (gas-filled) tubes |
| | Gas discharge tubes |
| ionization potential | Nonlinear Conduction |
| iron-vane meter | What is a meter? |
| Iron-vane meter movement | Measurements of AC magnitude |
| | AC Voltmeters and Ammeters |
| ISO DIS7498 | Network protocols |
| isolation transformer | Electrical isolation |
| Iteration | Microprocessors |
