This video provides an introduction to the internal components of typical smoke detectors.
A 12-V automotive battery rail is subject to many transients. The purpose of the front-end power…
In this circuit, three resistors receive the same amount of current (4…
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
Write an equation describing the precise mathematical relationship…
PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…
How is it possible to electrically measure the torque output by a…
PARTS AND MATERIALS Electronic “keyboard” (musical)…
Like its bipolar cousin, the field-effect transistor may be used as an…
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Don’t just sit there! Build something!! Learning to mathematically…
Normally, the ampacity rating of a conductor is a circuit design…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Whenever there is a mismatch of impedance between transmission line…
As strange as it may seem, any repeating, non-sinusoidal waveform is…
Bipolar junction transistors (Also known as BJTs) can be used as an…
An oscilloscope is a very useful piece of electronic test equipment.…
Capacitors store energy in the form of an electric field, and…
Note the “50 ohm” rating printed on the jacket of the cable. What…
It is sometimes desirable to have circuits capable of selectively…
Don’t just sit there! Build something!! Learning to mathematically…
Identify each of these logic gates by name, and complete their…
What does the normal status of an electrical switch refer to?…
Reactive Power We know that reactive loads such as inductors and…
A very useful tool for observing rotating objects is a strobe light.…
Single phase power system schematic diagram shows little about the…
Suppose I were about to measure an unknown voltage with a manual-range…
Although transistor switching circuits operate without bias, it is…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
When an electric current is passed through a coil of wire, what…
So far in our discussions on electricity and electric circuits, we…
PARTS AND MATERIALS Low-voltage AC power supply (6 volt output) Four…
Note the “50 ohm” rating printed on the jacket of the cable. What…
Superposition theorem is one of those strokes of genius that takes a…
PARTS AND MATERIALS Operational amplifier, model 1458 or 353…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
What is the purpose of the switch shown in this schematic diagram?
A modern method of electrical power control involves inserting a…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to analyze relay…
The smaller the cross-sectional area of any given wire, the greater…
If a sinusoidal voltage is applied to an impedance with a phase angle…
When we store information in some kind of circuit or device, we not…
Suppose we wished to measure the resistance of some component located…
In this motor control circuit, how would you ensure that there is no…
The first, and perhaps most important, the relationship between…
PARTS AND MATERIALS Length of bare (uninsulated) copper wire Length of…
In simple AC power systems, one of the two conductors is typically…
Logic circuits, whether comprised of electromechanical relays or…
Our exploration of thyristors begins with a device called the…
This calculator determines the bias and feedback of resistors for an inverting op-amp.
If your event sensing switch is mechanical in nature, you will likely…
As we’ve seen, negative feedback is an incredibly useful…
A common class of operation used in radio-frequency (RF) amplifier…
Because capacitors store energy in the form of an electric field, they…
In electric circuits, the three basic quantities are voltage (E or V),…
This calculator helps you compute the inductance of a wire-over-plane setup.
Contributors to this chapter are listed in chronological order of…
PARTS AND MATERIALS Four 6 volt batteries Operational amplifier, model…
There are many different types of power sources, and here some of the…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
