A very useful tool for observing rotating objects is a strobe light.…
At first it may seem pointless to have the four buffer gates following…
The interlock contacts installed in the previous section’s motor…
The armature windings of your DC motor will have very low resistance.…
Electromechanical watt-hour meters use an aluminum disk that is spun…
As an electric current is passed through a coil of wire, it creates a…
Don’t just sit there! Build something!! Learning to mathematically…
Explain the operation of this “H-bridge” motor control circuit: At…
The variable reluctance motor is based on the principle that an…
If an electric current is passed through this wire, which direction…
Don’t just sit there! Build something!! Learning to mathematically…
Just as devices have been made to measure certain physical quantities…
A wound rotor induction motor has a stator like a squirrel cage…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF 120VAC…
If the ends of a wire loop are attached to two half-circular metal…
Most students of electricity begin their study with what is known as…
A calculator for computing several parameters needed in the design of a flyback switch mode regulator
Charles Proteus Steinmetz’s first job after arriving in America…
Normally, the rotor windings of a wound rotor induction motor are…
A stepper motor is a “digital” version of the electric…
What shape of voltage waveform would you expect to measure (using an…
The Rules of Binary Addition Adding binary numbers is a very simple…
A tool designed to calculate the noise figure of cascaded amplifiers
Don’t just sit there! Build something!! Learning to mathematically…
Decibel as Absolute Unit of Power It is also possible to use the…
The Use of Logic Gate Inverters and buffers exhaust the possibilities…
What is the purpose of the switch shown in this schematic diagram?
So far, we’ve studied both S-R and D latch circuits with enable…
Solve this equation for the value of x: x 5 = 8 How many exact…
To overcome the challenge of creating necessary DC bias voltage for an…
Explain the difference between a balanced polyphase system and an…
It should be common-sense knowledge that liquids flow through…
Whenever there is a mismatch of impedance between transmission line…
Don’t just sit there! Build something!! Learning to mathematically…
In addition to voltage and current, there is another important…
A calculator for solving the capacitance, reactance, and admittance of a capacitor.
Often in the course of designing and building electrical meter…
This calculator computes the resonant frequency of a tank circuit
