Latest Passives Education

Categories

AC Inductor Circuits

Textbook

Resistors vs. Inductors Inductors do not behave the same way as…

Capacitance

Worksheets - Passives

Write an equation describing the precise mathematical relationship…

AC Lab - Variable Inductor

Textbook

In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.

Capacitor Impedance Calculator

Tools

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.

Resistors Types

Textbook

These are the most common types of resistors available. Resistors…

Polarity of voltage drops

Textbook

When using conventional current flow, we can trace the direction of…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

AC Circuit Equations

Textbook

Inductive Reactance     Capacitive Reactance    …

Series-parallel R, L, and C

Textbook

Now that we’ve seen how series and parallel AC circuit analysis…

OpAmp Oscillator Circuits

Worksheets - Passives

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

Energy, Work, and Power

Worksheets - Passives

Define the following terms: energy, work, and power.

Inductors

Textbook

An inductor is a passive two-terminal electrical component that…

Complex Circuits

Textbook

What do we do if we come across a circuit more complex than the simple…

Capacitance Calculator

Tools

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

Calculating Electric Power

Textbook

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

How to Calculate Power in a Series and Parallel Circuit

Textbook

When calculating the power dissipation of resistive components, we can…

Power in Resistive and Reactive AC circuits

Textbook

Consider a circuit for a single-phase AC power system, where a 120…

Mutual Inductance

Textbook

If two coils of wire are brought into close proximity with each other…

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Circuit Simplification Examples

Textbook

Let’s begin with a semiconductor gate circuit in need of…

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

555 Lab - Monostable Multivibrator (One-shot)

Textbook

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.

Convert MCD to Lumens

Tools

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

Inductance

Worksheets - Passives

∫f(x) dx Calculus alert! One of the fundamental principles of…

Resistance, Reactance, and Impedance

Worksheets - Passives

What will happen to the brightness of the light bulb as the iron core…

Parallel Circuits and the Application of Ohm’s Law

Textbook

In this introduction to parallel resistance circuits, we will explain…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Design Project: Dual-output AC-DC Power Supply

Worksheets - Passives

Safety is very important when designing and/or building a device…

Design Project: DC Motor

Worksheets - Passives

The armature windings of your DC motor will have very low resistance.…

Introduction to Bipolar Junction Transistors (BJT)

Textbook

The invention of the bipolar transistor in 1948 ushered in a…

The Command-line Interface

Textbook

If you’ve used DOS or UNIX operating systems before in a…

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

Stepper Motors

Worksheets - Passives

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

Time-Delay Electromechanical Relays

Worksheets - Passives

What does the normal status of an electrical switch refer to?…

DC Lab - Build Your Own Multimeter

Textbook

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.

Insulator Breakdown Voltage

Textbook

The atoms in insulating materials have very tightly-bound electrons,…

Rules for Antiderivatives

Textbook

Constant Rule     Rule of Sums     Rule of…

Microstrip Wavelength Calculator

Tools

A tool designed to calculate the guided wavelength inside a microstrip.

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Contributors (1)

Textbook

Contributors to this chapter are listed in chronological order of…

Conventional Transistor Overview and Special Transistors

Worksheets - Passives

A microcontroller is a specialized type of digital computer used to…

Millman’s Theorem

Textbook

In Millman’s Theorem, the circuit is re-drawn as a parallel…

Polyphase Power Systems

Worksheets - Passives

Explain the difference between a balanced polyphase system and an…

Contributors (16)

Textbook

Contributors to this chapter are listed in chronological order of…

DC Transducers

Worksheets - Passives

Research and describe what the Hall effect is, and list some practical…

Microcontroller Principles

Worksheets - Passives

Read the following quotation, and then research the term…

The Cascode Amplifier

Textbook

While the C-B (common-base) amplifier is known for wider bandwidth…

Solving for Unknown Time

Textbook

Sometimes it is necessary to determine the length of time that a…

Network Topology

Textbook

Point-to-Point Connecting two digital devices with a network, would…

Safe Practices

Textbook

If at all possible, shut off the power to a circuit before performing…

Synchronous Counters

Textbook

What is a Synchronous Counter? A synchronous counter, in contrast to…

The Tetrode

Textbook

As the name suggests, the tetrode tube contains four elements: cathode…

AC Lab - Noise Cancellation

Textbook

In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.

The Thyristor

Textbook

A thyristor is a device that has a number of unusual characteristics.…

Switches, Hand Actuated

Textbook

A switch is an electrical component that can “make” or…

The J-K Flip-Flop

Textbook

Another variation on a theme of bistable multivibrators is the J-K…

RC Time Constant Calculator

Tools

The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.