W (unit) | True, Reactive, and Apparent Power |
Wagner earth | AC Bridge Circuits |
watchdog timer | Time-delay relays |
watt | Power in electric circuits |
| Power Dissipation |
wattmeter | Wattmeter design |
Wave, electromagnetic | Principles of radio |
Wave, sawtooth | More on spectrum analysis |
Wave, square | Square wave signals |
Wave, triangle | More on spectrum analysis |
Waveform analysis | Waveform analysis |
Waveform symmetry and harmonics | Harmonics in Polyphase Power Systems |
| More on spectrum analysis |
| The TRIAC |
Waveguide | Waveguides |
Wavelength | Long and Short Transmission Lines |
weber (unit) | Magnetic units of measurement |
Weight, numeration system | Systems of numeration |
Weston cell | Mercury Standard Cells |
Weston meter | What is a meter? |
Weston meter movement | Measurements of AC magnitude |
Wetting current | Troubleshooting -- Theory and Practice |
| Switch contact design |
Wheatstone bridge | Bridge circuits |
| Strain gauges |
| Frequency and Phase Measurement |
Wheatstone bridge, unbalanced | Mesh current method |
Wien bridge | AC Bridge Circuits |
Williams tube memory | Historical, nonmechanical memory technologies |
winding, bifilar | Creating custom calibration resistances |
winding, primary | Mutual inductance and basic operation |
winding, secondary | Mutual inductance and basic operation |
wiper | Potentiometer |
Wire | Conductors, insulators, and electron flow |
Wire Gauge | Conductor size |
Wire size, gage scale | Conductor and Insulator Tables |
Wire, jumper | Component failure analysis |
Wire, Litz | Inductor quirks |
wire, magnet | Electromagnetism |
Wire, solid and stranded | Conductor size |
wire-wound resistor | Creating custom calibration resistances |
Wire-wrapping | Building simple resistor circuits |
Word | Bit groupings |
work | Power in electric circuits |
Working voltage, capacitor | Practical considerations |
workshop | Setting up a Home Lab |
wound rotor induction motor | Wound rotor induction motors |
writing memory | Digital memory terms and concepts |