What is the purpose of the switch shown in this schematic diagram?
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Don’t just sit there! Build something!! Learning to mathematically…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
A technician uses a stroboscope to “freeze” the rotation of a…
It is fairly important to use large value resistors (10 MΩ works…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Don’t just sit there! Build something!! Learning to mathematically…
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Don’t just sit there! Build something!! Learning to mathematically…
What does it mean for an object to have an electric charge? Give an…
PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Shown here is the schematic symbol for a resistor: What is the purpose…
What is the purpose of a seven-segment decoder circuit? What is a…
If we were to express the series-connected DC voltages as phasors…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Thevenin’s Theorem states that it is possible to simplify any…
Seebeck Effect An interesting phenomenon applied in the field of…
The Use of Logic Gate Inverters and buffers exhaust the possibilities…
Seeing as how a common meter movement can be made to function as a…
You might have noticed on the table for specific resistances that all…
The Inductance Formula Wheeler’s formulas for inductance of air core…
What would happen to this meter movement, if connected directly to a…
Don’t just sit there! Build something!! Learning to mathematically…
In the previous section, we explored what would happen in simple…
PARTS AND MATERIALS One large potato One lemon (optional) Strip of…
In any electrically conductive substance, what are charge carriers?…
This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.
A popular use of diodes is for the mitigation of inductive…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
SCRs are unidirectional (one-way) current devices, making them useful…
Just like voltmeters, ammeters tend to influence the amount of…
This tool is designed to convert power ratios to decibel
Thomas Edison, that prolific American inventor, is often credited with…
Don’t just sit there! Build something!! Learning to analyze digital…
What is the difference between DC and AC electricity? Identify some…
