Most students of electricity begin their study with what is known as…
Brushless DC motors were developed from conventional brushed DC motors…
If an electric current is passed through this wire, which direction…
How is it possible to electrically measure the torque output by a…
If the ends of a wire loop are attached to two half-circular metal…
AC Motors Perhaps the most important benefit of polyphase AC power…
A chandelier has five light bulbs in it, and one of them is not…
Shaded Pole Induction Motor An easy way to provide starting torque to…
Don’t just sit there! Build something!! Learning to mathematically…
Stepper Motor vs Servo Motor A stepper motor is a…
At first it may seem pointless to have the four buffer gates following…
A very useful tool for observing rotating objects is a strobe light.…
Don’t just sit there! Build something!! Learning to mathematically…
Calculate the voltage output by the secondary winding of a transformer…
Pulse Width Modulation (PWM) uses digital signals to control power…
PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…
Generators used in battery-charging systems must be regulated so as to…
Brushless DC motors were developed from conventional brushed DC motors…
After the introduction of the DC electrical distribution system by…
The interlock contacts installed in the previous section’s motor…
A three-phase motor may be run from a single-phase power source.…
Explain the operation of this “H-bridge” motor control circuit: At…
A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.
PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…
PARTS AND MATERIALS Two 6-volt batteries Four NPN…
The SPICE circuit simulation computer program uses scientific notation…
Our exploration of thyristors begins with a device called the…
Normally, the ampacity rating of a conductor is a circuit design…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
PARTS AND MATERIALS Oscilloscope Assortment of non-polarized…
This tool is designed to calculate the inductance of two parallel wires
Definition of a Factorial Denoted by the symbol “!” after…
Valence: The electrons in the outermost shell, or valence shell, are…
Contributors to this chapter are listed in chronological order of…
In many disciplines of science and engineering, very large and very…
Series and Parallel Resistances Series and Parallel…
<p> Contributors to this chapter are listed in chronological…
Determine what the magnitude and polarity of the voltmeter’s…
Definition of a Logarithm “log” denotes a…
The fourth example has A partially overlapping B. Though, we will…
This calculator helps you compute the inductance of a wire loop.
