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Permanent Magnets

Textbook

Centuries ago, it was discovered that certain types of mineral rock…

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

DC Lab - Thermoelectricity

Textbook

In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of an…

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

Si Lab - JFET Switching Circuit and Static Electricity Sensor

Textbook

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.

Si Lab - Differential Amplifier

Textbook

In this hands-on semiconductor electronics experiment, build a BJT differential amplifier and learn about a fundamental building block that is the basis of most operational amplifiers.

Pressure Unit Conversion Calculator

Tools

This calculator will convert pressure values to ten different standard units for pressure.

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…

DC Lab - Sensitive Voltage Detector With Audio Output

Textbook

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.

DC Lab - 4-wire Resistance Measurement

Textbook

In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

Strain Gauges

Textbook

If a strip of conductive metal is stretched, it will become skinnier…

Bipolar Junction Transistors

Textbook

The bipolar junction transistor (BJT) was named because its operation…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Si Lab - Light Sensor (LED Photodetector)

Textbook

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.

Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

Introduction to Network Theorems for Circuit Analysis

Textbook

Anyone who’s studied geometry should be familiar with the…

Impedance Matching With Transformers

Worksheets - MEMS Sensors

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Analog Lab - Voltage Comparator

Textbook

In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.

Digital Lab - Digital Combination Lock

Textbook

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Series LED Resistor Calculator

Tools

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.

Insulated Gate Bipolar Transistors

Worksheets - MEMS Sensors

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Common Antiderivatives

Textbook

 

Calculating Electric Power

Textbook

Learn the Power Formula We’ve seen the formula for determining…

Multiplexers and Demultiplexers

Worksheets - MEMS Sensors

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

Contributors (16)

Textbook

Contributors to this chapter are listed in chronological order of…

DC Branch Current Analysis

Worksheets - MEMS Sensors

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

DC Lab - Current Divider

Textbook

In this hands-on electronics experiment, you will build resistive current dividers and observe how Ohm's law and Kirchhoff's current law function in real circuits using a voltmeter and an ammeter.

Parallel Resistor Calculator

Tools

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.

AC Capacitor Circuits

Textbook

Capacitors Vs. Resistors Capacitors do not behave the same as…

Snell’s Law Calculator

Tools

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

LC Resonant Frequency Calculator

Tools

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.

Basic Electricity Worksheet

Worksheets - MEMS Sensors

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

Voltage/Current Converter OpAmp Circuits

Worksheets - MEMS Sensors

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