Index R...

R, symbol for resistance	DC circuit equations and laws
	Series resistor-capacitor circuits
	Series resistor-inductor circuits
	Ohm's Law
Race condition	The S-R latch
	Edge-triggered latches: Flip-Flops
	NOR gate S-R latch
Radian	Trigonometry Reference
	AC Capacitor Circuits
radian, angular measurement	AC Inductor Circuits
radio	More on the "skin effect"
	Principles of radio
radio frequency	A 50-Ohm Cable?
	More on the "skin effect"
Radio wave	Principles of radio
radioactivity	Static electricity
Rail voltage	Negative feedback
	Precision voltage follower
RAM	Digital memory terms and concepts
random access memory	Digital memory terms and concepts
rate of voltage rise	The Shockley Diode
	The Silicon-Controlled Rectifier (SCR)
Rate-of-change indicator	Rate-of-change indicator
Ratio arm, Wheatstone bridge	Bridge circuits
Ratio, transformer	Step-up and step-down transformers
Re	Polar and rectangular notation
Re-drawing schematic diagrams	Re-drawing complex schematics
Reactance	AC Circuit Equations
	Review of R, X, and Z
	Susceptance and Admittance
	AC Capacitor Circuits
	AC Inductor Circuits
Reactance, inductive	Magnetic fields and inductance
reactive power	True, Reactive, and Apparent Power
Reactor	Magnetic fields and inductance
Read, destructive	Historical, nonmechanical memory technologies
read-only memory	Digital memory terms and concepts
read-write memory	Digital memory terms and concepts
reading memory	Digital memory terms and concepts
Rectangular notation	Polar and rectangular notation
rectangular s	Shift Register, Parallel-in, Serial-out
Rectification, full-wave	Other waveshapes
	Full-wave center-tap rectifier
Rectification, half-wave	Other waveshapes
	Half-wave rectifier
rectifier	Rectifier circuits
Rectifier, silicon-controlled	Other waveshapes
Rectifier/filter	Rectifier/filter circuit
rectifyi	Ohmmeter Usage
recycle timer	Time-delay relays
reed frequency meter	Frequency and Phase Measurement
Reference junction compensation	Thermocouples
Reference junction, thermocouple	Bias Current
Reflected wave	Finite-length transmission lines
Reflectometer, time-domain	Finite-length transmission lines
Reflex klystron	Microwave tubes
regenerative feedback	Hysteresis
	Feedback
Register, successive approximation	Successive approximation ADC
regulator, current	Current Mirror
Regulator, voltage	The common-collector amplifier
Relative permittivity	Characteristic impedance
Relaxation oscillator	Gas discharge tubes
Relay	Electromagnetism
	Relay construction
Relay, protective	Protective relays
release history	Download and Release History
reluctance	Magnetic units of measurement
	Mutual inductance and basic operation
reluctance motor	Reluctance motor
reluctance, magnetic	Build a transformer
repulsion motor	AC commutator motors
Reset state	NOR gate S-R latch
Reset, latch	The S-R latch
Resistance	Resistance
	Review of R, X, and Z
	Susceptance and Admittance
	More on the "skin effect"
	How voltage, current, and resistance relate
resistance, definition	Ohmmeter Usage
Resistance, effective	Inductor quirks
Resistance, internal to battery	Battery construction
Resistance, specific	Conductor and Insulator Tables
	Specific resistance
Resistance, temperature coefficient of	Conductor and Insulator Tables
	Temperature coefficient of resistance
resistor	Resistors
resistor color codes	Resistor Color Codes
Resistor, "swampin	Thermocouples
resistor, custom value	Creating custom calibration resistances
resistor, fixed	Resistors
resistor, load	Resistors
Resistor, multiplier	Voltmeter design
resistor, potentiometer	Resistors
Resistor, pulldown	LED sequencer
Resistor, pullup	CMOS gate circuitry
Resistor, shunt	Ammeter design
	Voltage Follower
resistor, variable	Resistors
resistor, wire-wound	Creating custom calibration resistances
resolution	Resolution of ADC circuits
Resolution, ADC	Practical considerations of ADC circuits
Resonance	AC Circuit Equations
	Standing waves and resonance
	An electric pendulum
	Simple parallel (tank circuit) resonance
	Simple series resonance
	Resonance in series-parallel circuits
	Inductor-capacitor "tank" circuit
resonance, mechanical	Frequency and Phase Measurement
Resonance, transformer and inductor	Stray capacitance and inductance
resonant filter	Resonant filters
Resonant frequency	Inductor-capacitor "tank" circuit
resonant frequency meter	Frequency and Phase Measurement
resonant tunneling diode	RTD - Resonant Tunneling Diode
Resonate	An electric pendulum
Restorer circuit	Clamper circuits
Resultant vector	Some examples with AC circuits
Retentivity	Permanent magnets
reverse bias	Introduction
reverse recovery time	Diode ratings
reverse voltage	Transistor Ratings
reverse voltage rating	Diode Characteristic
RF	A 50-Ohm Cable?
	More on the "skin effect"
RF attenuators	RF Attenuators
Rheostat	Active-mode operation
	Active mode operation
	Potentiometer as a Rheostat
Rheostat arm, Wheatstone bridge	Bridge circuits
Rheostat range limiting	Rheostat range limiting
ring counter	Introduction to Shift Registers
	Decimal versus binary numeration
ring counters	Ring Counters
	Johnson Counters
Ring topology	Network topology
Ripple effect	Asynchronous counters
ripple voltage	Rectifier circuits
	Half-wave rectifier
	Rectifier/filter circuit
rmks system	Magnetic units of measurement
RMS	Measurements of AC magnitude
	AC Voltmeters and Ammeters
ROM	Digital memory terms and concepts
root-mean-square	Measurements of AC magnitude
	AC Voltmeters and Ammeters
Rotary shaft encoder	Synchronous counters
Rotating magnetic field	Polyphase motor design
rpm	Power in electric circuits
RS-232C	Extended-distance networks
RS-422A	Extended-distance networks
RS-485	Extended-distance networks
RTD	RTD - Resonant Tunneling Diode
Rule, left-hand	Electromagnetism
Rule, slide	Arithmetic with scientific notation
Rules for antiderivative	Calculus Reference
Rules, parallel circuits	Simple parallel circuits
	What is a series-parallel circuit?
	Series R, L, and C
Rules, series circuits	Simple series circuits
	What is a series-parallel circuit?
	Series R, L, and C
runaway, thermal	Feedback
Rutherford's atomic model	Rutherford's Atomic Model
RVDT	AC Instrumentation Transducers