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.

Tools

Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

Tools

Resistance

The circuit in the previous section is not a very practical one. In…

Textbook

Special-purpose Batteries

Mercury Standard Cell Back in the early days of electrical measurement…

Textbook

Binary Count Sequence

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Textbook

Voltmeter Design

Suppose I were about to measure an unknown voltage with a manual-range…

Worksheets - Processors

Why digital?

Although many textbooks provide good introductions to digital memory…

Textbook

Unit Conversion Calculator

Convert to and from different units of length, weight, power, temperature and torque

Tools

Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…

Textbook

Copper Wire Ampacity Table

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Textbook

Polarity of voltage drops

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

Textbook

Karnaugh Mapping

Identify each of these logic gates by name, and complete their…

Worksheets - Processors

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Worksheets - Processors

Converting Truth Tables into Boolean Expressions

In designing digital circuits, the designer often begins with a truth…

Textbook

Tesla Polyphase Induction Motors

Most AC motors are induction motors. Induction motors are favored due…

Textbook

AC Lab - Signal and Noise Coupling

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.

Textbook

Step-up and Step-down Transformers

So far, we’ve observed simulations of transformers where the…

Textbook

Overcurrent Protection

What hazards might be posed by a circuit with excessive current going…

Worksheets - Processors

The Common-drain Amplifier (IGFET)

Textbook

DC Lab - 4-wire Resistance Measurement

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

Textbook

Design Project: AC-DC Power Supply

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

Worksheets - Processors

“Long’’ and “Short’’ Transmission Lines

In DC and low-frequency AC circuits, the characteristic impedance of…

Textbook