One of the more fascinating applications of electricity is in the…
If the ends of a wire loop are attached to two half-circular metal…
Normally, the rotor windings of a wound rotor induction motor are…
The SPICE circuit simulation program provides for modeling diodes in…
The Q factor of a series inductive circuit is given by the following…
Before the advent of solid-state logic circuits, logical control…
Calculate the voltage output by the secondary winding of a transformer…
A chandelier has five light bulbs in it, and one of them is not…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Project Parts and Materials Automotive alternator (one required, but…
Solid-state switching circuits usually keep their constituent…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
The armature windings of your DC motor will have very low resistance.…
It is sometimes said regarding electrical safety that, Ït’s not the…
Don’t just sit there! Build something!! Learning to analyze digital…
In simple AC power systems, one of the two conductors is typically…
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Explain the operation of this “H-bridge” motor control circuit: At…
Brushless DC motors were developed from conventional brushed DC motors…
Identify some of the different types of capacitors, and their…
A very useful tool for observing rotating objects is a strobe light.…
JFETs, like bipolar transistors, are able to “throttle”…
It may seem difficult to even start on a project such as this, with no…
Digital computers communicate with external devices through ports:…
If some percentage of an amplifier’s output signal is connected…
Contributors to this chapter are listed in chronological order of…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
Ammeters Measure Electrical Current A meter designed to measure…
The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.
Don’t just sit there! Build something!! Learning to mathematically…
Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
Pure semiconductors are relatively good insulators as compared with…
This calculator computes the inductance of a wire coil.
A voltage multiplier is a specialized rectifier circuit…
The jobs of electronics engineers and technicians frequently entail…
As was mentioned before, the angle of this “power…
Capacitors, like all electrical components, have limitations that must…
If a block of P-type semiconductor is placed in contact with a block…
Mercury Standard Cell Back in the early days of electrical measurement…
Dielectric strength in kilovolts per inch (kV/in): Material*…
As was previously mentioned, we need more than just a continuous path…
It is sometimes desirable to have circuits capable of selectively…
Because it takes energy to force charge to flow against the opposition…
Notice something important here: taking the derivative of f(x)…
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis.
Typically, complex circuits are not arranged in nice, neat, clean…
Don’t just sit there! Build something!! Learning to mathematically…
A mathematician named DeMorgan developed a pair of important rules…
The nonlinearity of material permeability may be graphed for better…
What does the normal status of an electrical switch refer to?…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Define the following terms: energy, work, and power.
In addition to performing tasks of amplification and switching, tubes…
Shift registers, like counters, are a form of sequential logic.…
What is Split-Phase Power Systems? Split-phase power systems achieve…
As we’ve already learned, electricity requires a complete path…
Varicap or varactor diodes A variable capacitance diode is known as a…
When an alternator produces AC voltage, the voltage switches polarity…
