p, symbol for instantaneous power | AC Resistor Circuits |
| AC Resistor Circuits |
P, symbol for power | Power in electric circuits |
| DC circuit equations and laws |
package | Package TO-18 |
| Package TO-3 |
| Package TO-39 |
| Package TO-5 |
| Package TO-66 |
| Package TO-72 |
| Package TO-254AA |
pair, differential | Differential Amplifier |
| Simple Op-Amp |
PALASM | Introduction |
Paper tape storage | Memory with moving parts: "Drives" |
Parallel | Parallel batteries |
| Rheostat range limiting |
Parallel analysis | Parallel R, L, and C |
Parallel batteries | Parallel batteries |
Parallel circuit rules | Simple parallel circuits |
| What is a series-parallel circuit? |
| Series R, L, and C |
Parallel circuits | Series and parallel component equivalent values |
Parallel data | Introduction |
| Shift Register, Parallel-in, Serial-out |
parallel LC resonance | Simple parallel (tank circuit) resonance |
Parallel, definition of | What are "series" and "parallel" circuits? |
parallel-in/parallel-out shift register | Parallel-In, Parallel-Out, Universal Shift Register |
| PIPO Universal Devices |
Paramagnetism | Permanent magnets |
particle | Static electricity |
| Electron activity in chemical reactions |
Pascal | Microprocessor programming |
PASCAL, computer language | Using the Spice Circuit Simulation Program |
Passive averager | Averager and summer circuits |
passive device | Active Versus Passive Devices |
Pauli exclusion principle | Pauli exclusion principle |
PC/AT bus | Short-distance busses |
pcb | Resistors |
| Building simple resistor circuits |
| Low-Pass Filters |
| Meter check of a diode |
PCI | Short-distance busses |
PCMCIA | Short-distance busses |
pCO2 | pH measurement |
Peak | Measurements of AC magnitude |
peaking transformer | Core saturation |
Peltier effect | Thermocouples |
Pendulum | An electric pendulum |
Pentagrid tube | Combination tubes |
Pentode tube | Depletion-type IGFETs |
period | AC Waveforms |
Periodic table | Periodic Table of the Elements |
Permanent magnet | Permanent magnets |
permanent magnet meter | What is a meter? |
permanent magnet moving coil | AC Voltmeters and Ammeters |
permeability | Factors affecting inductance |
| Magnetic units of measurement |
| Variable inductor |
Permissive switch | Permissive and interlock circuits |
permittivity | Electric fields and capacitance |
| Factors affecting capacitance |
Permittivity, relative | Characteristic impedance |
Perpetual motion machine | Superconductivity |
Peta | Metric notation |
pH | pH measurement |
Phase | AC Phase |
Phase rotation | Phase rotation |
Phase sequence | Phase rotation |
phase shift | AC Capacitor Circuits |
| AC Inductor Circuits |
| Vectors and AC waveforms |
| AC Phase |
| Phase shift |
| Input to Output Phase Shift |
Phase, transformer | Phasing |
phase-continuous FSK | Electrical signal types |
Photodiode | Photodiodes |
photoelectric effect | Solar Cell |
Photon | Optical data communication |
physics, quantum | Introduction |
physiological effects of electricity | Physiological effects of electricity |
piano | AC Waveforms |
Pico | Metric notation |
piezoelectricity | Frequency and Phase Measurement |
Pinch-off voltage | The transistor as a switch |
PIPO shift register | Parallel-In, Parallel-Out, Universal Shift Register |
pitch (musical) | AC Waveforms |
PIV rating | Diode Characteristic |
Place value | Systems of numeration |
Place value, numeration system | Systems of numeration |
Plasma | Ionization (gas-filled) tubes |
| Gas discharge tubes |
Platter, hard disk | Memory with moving parts: "Drives" |
Playte | Bit groupings |
PLC | Programmable logic controllers |
PMMC | What is a meter? |
| AC Voltmeters and Ammeters |
pn junction | pn-Junction as Temperature Sensor |
PNPN diode | The Shockley Diode |
pO2 | pH measurement |
Point, binary | Decimal versus binary numeration |
Point, decimal | Decimal versus binary numeration |
Point-to-point topology | Network topology |
Points, electrically common | Circuit wiring |
| Shock current path |
Polar notation | Polar and rectangular notation |
Polarity | Voltage and current |
| Voltmeter usage |
| A Very Simple Circuit |
Polarity, AC | Single-phase power systems |
| More on AC "polarity" |
| Some examples with AC circuits |
Polarity, voltage | Polarity of voltage drops |
polarized | Conventional versus electron flow |
| Practical considerations |
Pole, alternator | Three-phase power systems |
Poles, switch | Contact "normal" state and make/break sequence |
Polyphase | Three-phase power systems |
polyphase bridge rectifier | Rectifier circuits |
polyphase induction motor | Tesla Polyphase Induction Motors |
| Construction |
| Theory of operation |
| Motor Starting and Speed Control |
| Linear induction motor |
POS | Larger 4-variable Karnaugh maps |
POS expression | Converting truth tables into Boolean expressions |
positive charge | Static electricity |
positive feedback | Positive feedback |
| Hysteresis |
| Feedback |
| Logic signal voltage levels |
Positive sequence | Harmonic phase sequences |
potato battery | Potato battery |
Potential energy | Voltage and current |
potential transformer | Special transformers and applications |
| AC Voltmeters and Ammeters |
| Protective relays |
potentiometer | Resistors |
| AC Instrumentation Transducers |
| Potentiometer as a Voltage Divider |
| Potentiometer |
potentiometer as rheostat | Potentiometer as a Rheostat |
Potentiometric voltmeter | Potentiometric voltmeter |
powdered iron core | Energy losses |
power | True, Reactive, and Apparent Power |
power calculations | Calculating Electric Power |
power capacity | Power capacity |
power dissipation | Transistor Ratings |
| Power Dissipation |
Power factor | AC Circuit Equations |
| Power in resistive and reactive AC circuits |
| Synchronous Condenser |
Power factor meter | Practical power factor correction |
power gain | Decibels |
power level | Absolute dB Scales |
Power quality | Power quality measurement |
Power quality meter | Power quality measurement |
Power supply | Introduction |
Power triangle | True, Reactive, and Apparent Power |
Power, definition | Power Dissipation |
power, electric | Power in electric circuits |
Power, general definition | Why L/R and not LR? |
Power, in series and parallel circuits | Power calculations |
power, negative | AC Inductor Circuits |
power, precise definition | Power in electric circuits |
precision potentiometer | Precision potentiometer |
precision voltage follower | Precision voltage follower |
prefix | Ohmmeter Usage |
Prefix, metric | Metric prefixes and unit conversions |
pressure switch | Switch types |
primary cell | Electron activity in chemical reactions |
primary coil | Mutual inductance and basic operation |
primary transformer coil | What is alternating current (AC)? |
Principal mode | Waveguides |
principal quantum number | Principal Quantum Number |
printed circuit board | Resistors |
| Building simple resistor circuits |
| Low-Pass Filters |
| Meter check of a diode |
Process variable | Single-ended and differential amplifiers |
Processor, computer | Microprocessors |
product term | Making a Venn diagram look like a Karnaugh map |
Product-Of-Sums | Larger 4-variable Karnaugh maps |
Product-Of-Sums expression | Converting truth tables into Boolean expressions |
Profibus | Extended-distance networks |
Program, self-modifying | Microprocessors |
Programmable Logic Controller | Programmable logic controllers |
programmable op-amp | Simple Op-Amp |
programming language | Microprocessor programming |
Programming, SPICE | Using the Spice Circuit Simulation Program |
PROM | Read-only memory |
propagation delay | Edge-triggered latches: Flip-Flops |
propagation delay, shift register | Shift Register, Serial-in/Serial-out |
Properties, arithmetic | Algebra Reference |
Properties, exponents | Algebra Reference |
Properties, radicals | Algebra Reference |
Property, associative | Boolean algebraic properties |
Property, commutative | Boolean algebraic properties |
Property, distributive | Boolean algebraic properties |
Protective relay | Protective relays |
protocol | Network protocols |
proton | Static electricity |
| Scientific notation |
| Electron activity in chemical reactions |
| Quantum physics |
| Pauli exclusion principle |
| Quantum Mechanics |
Proton, mass of | Scientific notation |
proximity switch | Switch types |
pseudo-noise | Introduction to Shift Registers |
PT | Special transformers and applications |
| AC Voltmeters and Ammeters |
| Protective relays |
Pull-in current | Relay construction |
Pulldown resistor | LED sequencer |
Pullup resistor | CMOS gate circuitry |
Pulse stretching | Optical data communication |
Pulse-width modulation | The "operational" amplifier |
| PWM power controller |
pulsed-light sensor | Pulsed-Light Sensor |
push-pull amplifier | Biasing techniques |
pushbutton switch | Switch types |
PUT | The Unijunction Transistor |
PWM | The "operational" amplifier |
PWM power control | PWM power controller |
PWM power controller | PWM power controller |
Pythagorean Theorem | Trigonometry Reference |