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Wheatstone Bridge Calculator

Tools

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

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.

Sound Cancellation

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Design Project: Intercom System

Worksheets - Smartwatches

Design a passive circuit that will create a "split” ( V/-V) power…

Class A BJT Amplifiers

Worksheets - Smartwatches

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

AC Phase

Textbook

Things start to get complicated when we need to relate two or more AC…

Voltage Divider Circuits

Worksheets - Smartwatches

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

Servo Motor Systems

Worksheets - Smartwatches

Explain the operation of this “H-bridge” motor control circuit: At…

Variable Inductor

Textbook

PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…

Electromagnetism Experiment

Textbook

PARTS AND MATERIALS 6-volt battery Magnetic compass Small permanent…

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…

Contributors (2)

Textbook

Contributors to this chapter are listed in chronological order of…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Bipolar Junction Transistor (BJT) theory

Worksheets - Smartwatches

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

Contributors (16)

Textbook

Contributors to this chapter are listed in chronological order of…

Power Measurement

Textbook

Power measurement in AC circuits can be quite a bit more complex than…

Electromagnetic Induction Experiment

Textbook

PARTS AND MATERIALS Electromagnet from previous experiment Permanent…

Transformer—Power Supply

Textbook

PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Coax Impedance Calculator

Tools

A helpful tool for calculating the impedance of a coaxial cable.