∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
A three-phase motor may be run from a single-phase power source.…
PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…
As we saw with DC measurement circuits, the circuit configuration…
A handy tool for reading resistor color code values
Inductors, like all electrical components, have limitations which must…
This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Wiring Color Codes Infographic. Released under the Creative Commons…
Passive Devices Components incapable of controlling current by means…
The circuit in the previous section is not a very practical one. In…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
What is Conductance? In the study of DC circuits, the student of…
Explain how an ohmmeter is able to measure the resistance of a…
As an instructor of electronics, I am called upon frequently to help…
Inductors have the exact opposite characteristics of capacitors.…
Calculate circuit parameters using Ohm's Law
Designing Wire Resistance Conductor ampacity rating is a crude…
There’s a sure way to calculate any of the values in a reactive…
The Skin Depth of Copper in Electrical Engineering As previously…
A waveguide is a special form of transmission line consisting of a…
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Don’t just sit there! Build something!! Learning to mathematically…
Value of time constant in series RC and RL circuits Time constant in…
Don’t just sit there! Build something!! Learning to mathematically…
Consider a circuit for a single-phase AC power system, where a 120…
Identify some different ways you can create the sine-wave audio tracks…
Don’t just sit there! Build something!! Learning to mathematically…
The expression of numerical quantities is something we tend to take…
A voltage multiplier is a specialized rectifier circuit…
Valence: The electrons in the outermost shell, or valence shell, are…
The Rules of Binary Addition Adding binary numbers is a very simple…
No text on electrical metering could be called complete without a…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
Explain the principle of operation for the particular integrated…
PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…
PARTS AND MATERIALS High-quality “closed-cup” audio headphones…
Let’s begin with a semiconductor gate circuit in need of…
Don’t just sit there! Build something!! Learning to mathematically…
The bipolar junction transistor (BJT) was named because its operation…
What do you think this logic buffer gate will do, with the output…
This collection of wires that I keep referring to between the tank…
As was stated in the last chapter, there is more than one type of…
Suppose we altered our basic open-collector inverter circuit, adding a…
Many different equations used in the analysis of electric circuits may…
Note: this is a very unique and useful property of e. As in the case…
What is Conductance? In the study of DC circuits, the student of…
PARTS AND MATERIALS Electronic “keyboard” (musical) “Mono”…
Learn About L/R Time Constants It is often perplexing to new students…
Synchronous motors load the power line with a leading power factor.…
The Commutative Property Another type of mathematical identity,…
Don’t just sit there! Build something!! Learning to mathematically…
Shift registers, like counters, are a form of sequential logic.…
PARTS AND MATERIALS High-quality “closed-cup” audio headphones…
Let’s take the following example circuit and analyze it: Example…
As a first example of useful combinational logic, let’s build a…
What factors determine where potentiometers Rpot1 and Rpot2 must be…
Serial-in, serial-out shift registers delay data by one clock time for…
