All About Circuits

Latest Capacitors Education

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Series R, L, and C

Series R, L, and C

Let’s take the following example circuit and analyze it:  …


Textbook

Inductor Transient Response

Inductor Transient Response

Inductors have the exact opposite characteristics of capacitors.…


Textbook

Resonant Filters

Resonant Filters

So far, the filter designs we’ve concentrated on have employed…


Textbook

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…


Worksheets - Capacitors

Capacitors

Capacitors

Identify some of the different types of capacitors, and their…


Worksheets - Capacitors

Negative Feedback OpAmp Circuits

Negative Feedback OpAmp Circuits

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


Worksheets - Capacitors

Calculating Power Factor

Calculating Power Factor

As was mentioned before, the angle of this “power…


Textbook

RC Time Constant Calculator

RC Time Constant Calculator

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.


Tools

Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

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


Worksheets - Capacitors

Review of R, X, and Z (Resistance, Reactance and Impedance)

Review of R, X, and Z (Resistance, Reactance and Impedance)

Before we begin to explore the effects of resistors, inductors, and…


Textbook

Inductance

Inductance

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


Worksheets - Capacitors

Analog Lab - Op Amp Integrator

Analog Lab - Op Amp Integrator

In this hands-on electronics experiment, you will build an analog integrator using an operational amplifier and learn about integration functions, op amp input bias currents, and how to limit the voltage swing of a potentiometer.


Textbook

Design Project: Audio Tone Control

Design Project: Audio Tone Control

Suppose you were installing a high-power stereo system in your car,…


Worksheets - Capacitors

LC Resonant Frequency Calculator

LC Resonant Frequency Calculator

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.


Tools

Capacitor Charge and Time Constant Calculator

Capacitor Charge and Time Constant Calculator

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.


Tools

DC Lab - Capacitor Charging and Discharging

DC Lab - Capacitor Charging and Discharging

In this hands-on electronics experiment, you will build capacitor charging and discharging circuits and learn how to calculate the RC time constant of resistor-capacitor circuits.


Textbook

Battery Life Calculator

Battery Life Calculator

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.


Tools

AC Network Analysis

AC Network Analysis

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


Worksheets - Capacitors

AC Lab - LC Tank Circuit

AC Lab - LC Tank Circuit

In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.


Textbook

DC Generator Theory

DC Generator Theory

Generators used in battery-charging systems must be regulated so as to…


Worksheets - Capacitors

Inductance

Inductance

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


Worksheets - Capacitors

DC Lab - Voltage Divider

DC Lab - Voltage Divider

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


Textbook

Coil Inductance Calculator

Coil Inductance Calculator

This calculator computes the inductance of a wire coil.


Tools

Superposition Theorem

Superposition Theorem

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


Worksheets - Capacitors

Wiring Color Codes

Wiring Color Codes

Wiring for AC and DC power distribution branch circuits are color…


Textbook

Inductors

Inductors

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…


Worksheets - Capacitors

RC Time Constant Calculator

RC Time Constant Calculator

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.


Tools

Parallel Resistor-Capacitor Circuits

Parallel Resistor-Capacitor Circuits

Using the same value components in our series example circuit, we will…


Textbook

Capacitors

Capacitors

Identify some of the different types of capacitors, and their…


Worksheets - Capacitors

Capacitor Impedance Calculator

Capacitor Impedance Calculator

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


Tools

Solving Series and Parallel Circuits With the Table Method and Ohm’s Law

Solving Series and Parallel Circuits With the Table Method and Ohm’s Law

The table method provides a structured methodology for ensuring you…


Textbook

Ohm’s Law

Ohm’s Law

For a given amount of water pressure, which will flow a greater rate…


Worksheets - Capacitors

Troubleshooting Series and Parallel Circuits

Troubleshooting Series and Parallel Circuits

The jobs of electronics engineers and technicians frequently entail…


Textbook

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.


Tools

AC Capacitor Circuits

AC Capacitor Circuits

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


Textbook

DC Motor Control Circuits

DC Motor Control Circuits

How is it possible to electrically measure the torque output by a…


Worksheets - Capacitors

555 Lab - Advanced Red LED Flasher

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.


Textbook

Impedance

Impedance

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


Worksheets - Capacitors

Switched Capacitor Circuitry

Switched Capacitor Circuitry

Write an equation describing the precise mathematical relationship…


Worksheets - Capacitors

Calculus for Electric Circuits

Calculus for Electric Circuits

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…


Worksheets - Capacitors

R, L and C Summary

R, L and C Summary

With the notable exception of calculations for power (P), all AC…


Textbook

Basic Electromagnetic Relays

Basic Electromagnetic Relays

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


Worksheets - Capacitors

Applications of Resonance

Applications of Resonance

So far, the phenomenon of resonance appears to be a useless curiosity,…


Textbook

Design Project: Radio Transmitter

Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…


Worksheets - Capacitors

AC Waveforms

AC Waveforms

Radio waves are comprised of oscillating electric and magnetic fields,…


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Amplifiers

Amplifiers

Practical Benefit of Active Devices The practical benefit of active…


Textbook

555 Lab - Introduction to the 555 Timer IC

555 Lab - Introduction to the 555 Timer IC

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.


Textbook

LC Tank Circuit Resonance Calculator

LC Tank Circuit Resonance Calculator

This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.


Tools

Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


Worksheets - Capacitors

Special-purpose Diodes

Special-purpose Diodes

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


Textbook

Class B BJT Amplifiers

Class B BJT Amplifiers

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


Worksheets - Capacitors

Basic Electromagnetism and Electromagnetic Induction

Basic Electromagnetism and Electromagnetic Induction

When lightning strikes, nearby magnetic compass needles may be seen to…


Worksheets - Capacitors

AC Motor Theory

AC Motor Theory

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


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Design Project: LED Stroboscope

Design Project: LED Stroboscope

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


Worksheets - Capacitors

Conventional Transistor Overview and Special Transistors

Conventional Transistor Overview and Special Transistors

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


Worksheets - Capacitors

Differentiator and Integrator Circuits

Differentiator and Integrator Circuits

By introducing electrical reactance into the feedback loops of an…


Textbook

Ammeter Impact on Measured Circuit

Ammeter Impact on Measured Circuit

Just like voltmeters, ammeters tend to influence the amount of current…


Textbook

Ohmmeter Design

Ohmmeter Design

Though mechanical ohmmeter (resistance meter) designs are rarely used…


Textbook

The Silicon-Controlled Rectifier (SCR)

The Silicon-Controlled Rectifier (SCR)

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…


Textbook

Multi-Stage Transistor Amplifiers

Multi-Stage Transistor Amplifiers

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


Worksheets - Capacitors