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.
Textbook
Quantum physics describes the states of electrons in an atom according…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Passives
A high-pass filter’s task is just the opposite of a low-pass…
Textbook
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.
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Resistors vs. Inductors Inductors do not behave the same way as…
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There are circumstances when you may need to analyze a DC reactive…
Textbook
Inductors do not have a stable “resistance” as conductors…
Textbook
This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
Tools
Ohm’s Law also makes intuitive sense if you apply it to the…
Textbook
Design a passive circuit that will create a "split” ( V/-V) power…
Worksheets - Passives
Wire-by-Number project: simple voltage divider Description: Build a…
Worksheets - Passives
Calculate circuit parameters using Ohm's Law
Tools
This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.
Tools
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Worksheets - Passives
In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.
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When capacitors are connected in series, the total capacitance is…
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Instantaneous Values in AC Circuits Pure resistive AC circuit:…
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Passive Devices Components incapable of controlling current by means…
Textbook
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Worksheets - Passives
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Passives
Since transformers are essentially AC devices, we need to be aware of…
Textbook
Using the same value components in our series example circuit, we will…
Textbook
In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
Textbook
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
Textbook
In addition to forward voltage drop (Vf) and peak inverse voltage…
Textbook
This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp
Tools
Varicap or varactor diodes A variable capacitance diode is known as a…
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Since Thevenin’s theorem and Norton’s theorems are two…
Textbook
Contributors to this chapter are listed in chronological order of…
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When inductors are connected in series, the total inductance is the…
Textbook
In many circuit applications, we encounter components connected…
Textbook
Aside from the issues of the physical network (signal types and…
Textbook
Wiring Color Codes Infographic. Released under the Creative Commons…
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Suppose we altered our basic open-collector inverter circuit, adding a…
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This page will walk you step-by-step through the process of…
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It is very important to keep in mind that the “normal”…
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Constant Rule Rule of Sums Rule of…
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This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
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.
Tools
What are Time-Delay Relays? Some relays are constructed with a kind of…
Textbook
The earliest forms of digital data storage involving moving parts was…
Textbook
If two coils of wire are brought into close proximity with each other…
Textbook
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.
Textbook
Charles Proteus Steinmetz’s first job after arriving in America…
Textbook
Digital logic gate circuits are manufactured as integrated circuits:…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Passives
The most important component of your voltmeter will be the…
Worksheets - Passives
How is it possible to electrically measure the torque output by a…
Worksheets - Passives
There are circumstances when you may need to analyze a DC reactive…
Textbook
In DC and low-frequency AC circuits, the characteristic impedance of…
Textbook
What voltage will you choose to use for each of the station batteries?
Worksheets - Passives
The benefits of scientific notation do not end with ease of writing…
Textbook
Solid Copper Wire Table Size Diameter (inches) Cross-sectional area…
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Most students of electricity begin their study with what is known as…
Textbook
This calculator helps you compute the characteristic impedance of an asymmetric stripline
Tools
All About Contactors When a relay is used to switch a large amount of…
Textbook
Identify the type of logic gate shown in this schematic diagram, and…
Worksheets - Passives
Explain how the microphone in your amplifier works. How, exactly, does…
Worksheets - Passives
What is the purpose of the switch shown in this schematic diagram?
Worksheets - Passives
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