The variable reluctance motor is based on the principle that an…
Explain the operation of this “H-bridge” motor control circuit: At…
Project Parts and Materials Automotive alternator (one required, but…
If the ends of a wire loop are attached to two half-circular metal…
All About Contactors When a relay is used to switch a large amount of…
A three-phase motor may be run from a single-phase power source.…
Most AC motors are induction motors. Induction motors are favored due…
Electromechanical watt-hour meters use an aluminum disk that is spun…
How is it possible to electrically measure the torque output by a…
A very useful tool for observing rotating objects is a strobe light.…
The interlock contacts installed in the previous section’s motor…
Don’t just sit there! Build something!! Learning to mathematically…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Solid-state switching circuits usually keep their constituent…
Most students of electricity begin their study with what is known as…
Stepper Motor vs Servo Motor A stepper motor is a…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
Just as devices have been made to measure certain physical quantities…
Generators used in battery-charging systems must be regulated so as to…
A wound rotor induction motor has a stator like a squirrel cage…
A three-phase motor may be run from a single-phase power source.…
Shaded Pole Induction Motor An easy way to provide starting torque to…
After the introduction of the DC electrical distribution system by…
Normally, the rotor windings of a wound rotor induction motor are…
The variable reluctance motor is based on the principle that an…
Solid-state switching circuits usually keep their constituent…
Calculate the voltage output by the secondary winding of a transformer…
Most AC motors are induction motors. Induction motors are favored due…
If the ends of a wire loop are attached to two half-circular metal…
Explain the operation of this “H-bridge” motor control circuit: At…
Charles Proteus Steinmetz’s first job after arriving in America…
Most students of electricity begin their study with what is known as…
Single Phase Synchronous Motors Single-phase synchronous motors are…
If an electric current is passed through this wire, which direction…
A very useful tool for observing rotating objects is a strobe light.…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
At first it may seem pointless to have the four buffer gates following…
PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…
A popular use of diodes is for the mitigation of inductive…
So far, the phenomenon of resonance appears to be a useless curiosity,…
PARTS AND MATERIALS Two single-turn, linear-taper potentiometers, 5…
This calculator helps you compute the inductance of a wire-over-plane setup.
∫f(x) dx Calculus alert! One of the fundamental principles of…
Add the following binary numbers:
Define the following metrological terms: • Uncertainty • Accuracy…
As we saw with DC measurement circuits, the circuit configuration…
Explain the operation of this “H-bridge” motor control circuit: At…
Let’s take the same components for our series example circuit…
What is Conductance? In the study of DC circuits, the student of…
It may seem difficult to even start on a project such as this, with no…
Inductors have the exact opposite characteristics of capacitors.…
PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…
We have the symbols for depletion mode and enhancement mode MOSFETs -…
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
