Before the advent of solid-state logic circuits, logical control…
One of the more fascinating applications of electricity is in the…
The wires between the tank and the monitoring location is called…
Don’t just sit there! Build something!! Learning to mathematically…
What does the acronym RF stand form, in reference to radio-related…
Research the FCC (Federal Communication Commission) guidelines on…
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
After applying some of the general troubleshooting tips to narrow the…
Brushless DC motors were developed from conventional brushed DC motors…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Shaded Pole Induction Motor An easy way to provide starting torque to…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
AC Motors Perhaps the most important benefit of polyphase AC power…
Most AC motors are induction motors. Induction motors are favored due…
As an electric current is passed through a coil of wire, it creates a…
How is it possible to electrically measure the torque output by a…
The armature windings of your DC motor will have very low resistance.…
In simple AC power systems, one of the two conductors is typically…
At first it may seem pointless to have the four buffer gates following…
The Q factor of a series inductive circuit is given by the following…
The wires between the tank and the monitoring location is called…
Single Phase Synchronous Motors Single-phase synchronous motors are…
Generators used in battery-charging systems must be regulated so as to…
Don’t just sit there! Build something!! Learning to analyze digital…
Don’t just sit there! Build something!! Learning to mathematically…
Project Parts and Materials Automotive alternator (one required, but…
Electromechanical watt-hour meters use an aluminum disk that is spun…
If the ends of a wire loop are attached to two half-circular metal…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
Three-Phase Alternator Let’s take the three-phase alternator…
Define the following terms: energy, work, and power.
This calculator will help compute the inductance of a length of wire.
To enter numbers in scientific notation into a hand calculator, there…
Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…
Bipolar junction transistors (Also known as BJTs) can be used as an…
Given two lengths of metal wire, which one will have the least…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.
Superconducting devices, though not widely used, have some unique…
PARTS AND MATERIALS One NPN transistor—models 2N2222 or 2N3403…
A calculator designed to calculate the maximum current that a stripline can handle
Most ohmmeters of the design shown in the previous section utilize a…
Value of time constant in series RC and RL circuits Time…
A calculator for solving the capacitance, reactance, and admittance of a capacitor.
The variable reluctance motor is based on the principle that an…
Seeing as how a common meter movement can be made to function as a…
The Q factor of a series inductive circuit is given by the following…
A capacitor is a passive two-terminal electronic component that…
Though mechanical ohmmeter (resistance meter) designs are rarely used…
