Computerized Fourier analysis, particularly in the form of the FFT…
Don’t just sit there! Build something!! Learning to mathematically…
Generally speaking, how many “time constants” worth of time does…
When the need arises to correct for poor power factor in an AC power…
Don’t just sit there! Build something!! Learning to mathematically…
Determine if the light bulb will de-energize for each of the following…
The circuit shown here is a four-bit analog-to-digital converter…
A rheostat (variable resistor) and a switch are both examples of…
A chandelier has five light bulbs in it, and one of them is not…
PARTS AND MATERIALS Two NPN transistors—models 2N2222 or…
Don’t just sit there! Build something!! Learning to mathematically…
What will this voltmeter register when connected to a battery as shown…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
Don’t just sit there! Build something!! Learning to mathematically…
So far, we’ve studied both S-R and D latch circuits with enable…
Don’t just sit there! Build something!! Learning to analyze digital…
If I wanted to build a battery-powered electric drill, would it be…
The smaller the cross-sectional area of any given wire, the greater…
After applying some of the general troubleshooting tips to narrow the…
In power distribution systems, it is very important to be able to…
PARTS AND MATERIALS High-quality “closed-cup” audio headphones…
Identify some different ways you can create the sine-wave audio tracks…
PARTS AND MATERIALS Two 6 volt batteries One capacitor, 470 µF…
The Programmable Logic Controller, or PLC, was invented in the late…
As strange as it may seem, any repeating, non-sinusoidal waveform is…
Parallel-in/ serial-out shift registers do everything that the…
Ampacities of copper wire, in free air at 30o C:…
SPICE analysis of Electrical Isolation Aside from the ability to…
Any kind of switch contact can be designed so that the contacts…
Don’t just sit there! Build something!! Learning to mathematically…
The circuits in the figure below are known as clampers or DC…
PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…
Don’t just sit there! Build something!! Learning to mathematically…
A handy tool for reading resistor color code values
With the notable exception of calculations for power (P), all AC…
At first it may seem pointless to have the four buffer gates following…
Identify which direction each potentiometer wiper must move in this…
Ohm’s Law also makes intuitive sense if you apply it to the…
What is a Synchronous Counter? A synchronous counter, in contrast to…
There are circumstances when you may need to analyze a DC reactive…
Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…
What would happen to this meter movement, if connected directly to a…
The invention of the bipolar transistor in 1948 ushered in a…
