In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
The interlock contacts installed in the previous section’s motor…
Generators used in battery-charging systems must be regulated so as to…
One of the more fascinating applications of electricity is in the…
Electromechanical watt-hour meters use an aluminum disk that is spun…
A wound rotor induction motor has a stator like a squirrel cage…
Brushless DC motors were developed from conventional brushed DC motors…
At first it may seem pointless to have the four buffer gates following…
After the introduction of the DC electrical distribution system by…
AC Motors Perhaps the most important benefit of polyphase AC power…
The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.
In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.
Shaded Pole Induction Motor An easy way to provide starting torque to…
With this lesson, I hope to avoid a common mistake found in…
If the ends of a wire loop are attached to two half-circular metal…
In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.
This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.
Don’t just sit there! Build something!! Learning to analyze digital…
Calculate the voltage output by the secondary winding of a transformer…
No text on electrical metering could be called complete without a…
A tool designed to compute the values to be used in a T-match Impedance Circuit
What voltage will you choose to use for each of the station batteries?
In this motor control circuit, how would you ensure that there is no…
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
Differential Op-Amp Circuits An op-amp with no feedback is already a…
Mathematical rules are based on the defining limits we place on the…
Passive Devices Components incapable of controlling current by means…
Let’s take the following example circuit and analyze it: …
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Often in the course of designing and building electrical meter…
∫f(x) dx Calculus alert! One of the fundamental principles of…
In many disciplines of science and engineering, very large and very…
Most integrated circuits are digital, based on MOS (CMOS) transistors.…
A voltage multiplier is a specialized rectifier circuit producing…
Show how this ammeter would be connected to the light bulb circuit to…
The fourth example has A partially overlapping B. Though, we will…
Bipolar Junction Transistor or BJT Current Mirror An often-used…
