Three-phase Wye(Y) Connection Initially, we explored the idea of…
Given two lengths of metal wire, which one will have the least…
Older electrical schematics showed connecting wires crossing, while…
The Law of Sines (for any triangle) The Law of Cosines (for any…
With BogusBus, our signals were very simple and straightforward: each…
The associative property In addition and multiplication, terms may be…
Early in my explorations of electricity, I came across a length of…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
Constant rule Rule of sums Rule of differences Product rule Quotient…
Ampacities of copper wire, in free air at 30o C:…
It should be common-sense knowledge that liquids flow through…
A practical application of switch and relay logic is in control…
Constant Rule Rule of Sums Rule of Differences
In ladder logic symbolism, an electromechanical relay coil is shown as…
Wiring for AC and DC power distribution branch circuits are color…
Instrumentation is a field of study and work centering on measurement…
SPICE analysis of Electrical Isolation Aside from the ability to…
A switch can be constructed with any mechanism bringing two conductors…
Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…
Electromechanical relays used to start and stop high-power electric…
Logic gate circuits are designed to input and output only two types of…
What hazards might be posed by a circuit with excessive current going…
Remember that vectors are mathematical objects just like numbers on a…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Reactive Power We know that reactive loads such as inductors and…
A practical application of switch and relay logic is in control…
PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…
PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or…
This calculator helps you compute the inductance of a wire loop.
There’s a sure way to calculate any of the values in a reactive…
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
Larger Karnaugh maps reduce larger logic designs. How large is large…
In ladder logic symbolism, an electromechanical relay coil is shown as…
Whenever electrons flow through a conductor, a magnetic field will…
This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.
If the ends of a wire loop are attached to two half-circular metal…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF (or…
This chapter explores the response of capacitors and inductors to…
With simple series circuits, all components are connected end-to-end…
Inductors do not have a stable “resistance” as conductors…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery Actually,…
Specific resistance at 20o C: Material Element/Alloy (ohm-cmil/ft)…
Like bipolar transistors, SCRs and TRIACs are also manufactured as…
Components in a parallel circuit share the same voltage: Etotal = E1…
A rheostat (variable resistor) and a switch are both examples of…
Now we can proceed to studying specific types of digital storage…
PARTS AND MATERIALS High-quality “closed-cup” audio headphones…
What is the purpose of the switch shown in this schematic diagram?
While the binary numeration system is an interesting mathematical…
Contributors to this chapter are listed in chronological order of…
Given two lengths of metal wire, which one will have the least…
Despite lock-out/tag-out procedures and multiple repetitions of…
Identify the type of logic gate shown in this schematic diagram, and…
At first it may seem pointless to have the four buffer gates following…
Don’t just sit there! Build something!! Learning to mathematically…
A transmission line of infinite length is an interesting abstraction,…
