This video goes through one of the most prominent issues with thermostat design, accounting for the…
Learn how design parameters impact system performance.
Brushless DC motors were developed from conventional brushed DC motors…
Electromechanical watt-hour meters use an aluminum disk that is spun…
With this lesson, I hope to avoid a common mistake found in…
Most AC motors are induction motors. Induction motors are favored due…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Explain the operation of this “H-bridge” motor control circuit: At…
Calculate the voltage output by the secondary winding of a transformer…
Normally, the rotor windings of a wound rotor induction motor are…
AC Motors Perhaps the most important benefit of polyphase AC power…
A chandelier has five light bulbs in it, and one of them is not…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Don’t just sit there! Build something!! Learning to mathematically…
One of the more fascinating applications of electricity is in the…
After the introduction of the DC electrical distribution system by…
The variable reluctance motor is based on the principle that an…
Don’t just sit there! Build something!! Learning to mathematically…
The armature windings of your DC motor will have very low resistance.…
How is it possible to electrically measure the torque output by a…
In simple AC power systems, one of the two conductors is typically…
A microcontroller is a specialized type of digital computer used to…
Our exploration of thyristors begins with a device called the…
In the previous section, we explored what would happen in simple…
PARTS AND MATERIALS Two NPN transistors—models 2N2222 or…
An electrical connector, is an electro-mechanical device used to join…
Contributors to this chapter are listed in chronological order of…
Safety is very important when designing and/or building a device…
PARTS AND MATERIALS High-quality “closed-cup” audio…
An ideal transistor would show 0% distortion in amplifying a signal.…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
Electromechanical watt-hour meters use an aluminum disk that is spun…
What does it mean if an integrated circuit comes in DIP form? What…
A three-phase motor may be run from a single-phase power source.…
At the beginning of this chapter, it illustrates how transistors could…
Superposition theorem is one of those strokes of genius that takes a…
The interlock contacts installed in the previous section’s motor…
Voltage Components in a parallel circuit share the same voltage:…
With the notable exception of calculations for power (P), all AC…
A semiconductor device is one made of silicon or any number of other…
There are circumstances when you may need to analyze a DC reactive…
In the previous section, we saw a circuit using one J-K flip-flop that…
