Switches

What is the purpose of the switch shown in this schematic diagram?

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Static Electricity

What does it mean for an object to have an electric charge? Give an…

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555 Lab - Advanced Red LED Flasher

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.

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555 Lab - LED Flasher with Inductive Flyback

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.

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Convert MCD to Lumens

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

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Si Lab - Light Sensor (LED Photodetector)

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.

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Series-Parallel DC Circuits

Don’t just sit there! Build something!! Learning to mathematically…

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Circuits and the Speed of Light

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

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Current Divider Circuits

Don’t just sit there! Build something!! Learning to mathematically…

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Digital Lab - 10-bit Flashing LED Sequencer

In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.

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AC Motor Theory

Electromechanical watt-hour meters use an aluminum disk that is spun…

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Parallel Resistor Calculator

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.

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DC Lab - Parallel Batteries

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.

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AC phase

If we were to express the series-connected DC voltages as phasors…

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Thyristors

Don’t just sit there! Build something!! Learning to mathematically…

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555 Lab - Red LED Flasher

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.

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Digital Display Circuits

What is the purpose of a seven-segment decoder circuit? What is a…

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Special-purpose Diodes

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Textbook

Series LED Resistor Calculator

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.

Tools

Design Project: LED Stroboscope

A technician uses a stroboscope to “freeze” the rotation of a…

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Kelvin (4-wire) Resistance Measurement

Suppose we wished to measure the resistance of some component located…

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Elementary Circuits

In the simplest terms you can think of, define what an electrical…

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Factors Affecting Capacitance

There are three basic factors of capacitor construction determining…

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Common Derivatives

    RELATED WORKSHEETS: Calculus for Electric Circuits…

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Electrical Noise and Interference

Define what noise means, in the electrical sense of the word. How does…

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Multiple-input Gates

The Use of Logic Gate Inverters and buffers exhaust the possibilities…

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Transistors, Hybrid

In essence, the IGFET controls the base current of a BJT, which…

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Counters

Don’t just sit there! Build something!! Learning to analyze digital…

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Inverting Op-Amp Resistor Calculator

This calculator determines the bias and feedback of resistors for an inverting op-amp.

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The Common-source Amplifier (IGFET)

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Current Divider Circuits and the Current Divider Formula

A parallel circuit is often called a current divider for its ability…

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Active Versus Passive Devices

Passive Devices Components incapable of controlling current by means…

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Valence and Crystal Structure

Valence: The electrons in the outermost shell, or valence shell, are…

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The Common-base Amplifier

The final transistor amplifier configuration (Figure below) we need to…

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AC Lab - Sensing AC Magnetic Fields

In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.

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Practical considerations - Digital Communication

A principal consideration for industrial control networks, where the…

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Performance-Based Assessments for Basic Electricity Competencies

(Template)

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Physical Effects of Electricity

Certain substances are known to physically deform (shorten or…

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Introduction to Junction Field-effect Transistors (JFET)

A transistor is a semiconductor device that controls current with the…

Textbook

Noise Figure and Noise Temperature Calculator

This calculator computes the noise figure and noise temperature in a system

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