Don’t just sit there! Build something!! Learning to mathematically…
This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
If we were to express the series-connected DC voltages as phasors…
In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.
In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
A technician uses a stroboscope to “freeze” the rotation of a…
Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Electromechanical watt-hour meters use an aluminum disk that is spun…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
What is the purpose of the switch shown in this schematic diagram?
Shown here is the schematic symbol for a resistor: What is the purpose…
What does it mean for an object to have an electric charge? Give an…
Define what noise means, in the electrical sense of the word. How does…
Definition of a Radical Given the expression where “x” is…
Define the following metrological terms: • Uncertainty • Accuracy…
Don’t just sit there! Build something!! Learning to mathematically…
In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.
Behaviors of Inductors wrapped around a Conductive Core Suppose we…
When lightning strikes, nearby magnetic compass needles may be seen to…
Who Developed the Karnaugh Map? Maurice Karnaugh, a…
Label where each of the following electrical quantities would be found…
Similar in thought to the idea of the integrated circuit, tube…
Long before the advent of digital electronic technology, computers…
A common phrase heard in reference to electrical safety goes something…
In many disciplines of science and engineering, very large and very…
If we add a voltage divider to the negative feedback wiring so that…
Complementary Output Gates It is sometimes desirable to have a logic…
Inductors, like all electrical components, have limitations which must…
In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.
The SPICE (Simulation Program, Integrated Circuit Emphesis)…
When a switch is actuated and contacts touch one another under the…
In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
