There are two basic Ohm’s Law equations: one relating voltage,…
A special type of relay is one that monitors the current, voltage,…
If a sinusoidal voltage is applied to an impedance with a phase angle…
When calculating the power dissipation of resistive components, use…
Whenever electrons flow through a conductor, a magnetic field will…
All entries arranged in alphabetical order of surname. Major…
Label where each of the following electrical quantities would be found…
There are many different types of power sources, and here some of the…
In this circuit, three resistors receive the same amount of voltage…
Don’t just sit there! Build something!! Learning to analyze digital…
Let’s connect three AC voltage sources in series and use complex…
The choice of step-down transformers to use in a project such as this…
Suppose we had a simple one-battery, one-lamp circuit controlled by a…
All About Diodes A diode is an electrical device allowing current to…
On this page, we’ll outline the three principles you should…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
A common class of operation used in radio-frequency (RF) amplifier…
This tool is designed to convert power ratios to decibel
PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…
PARTS AND MATERIALS Steel flat bar, 4 pieces Miscellaneous bolts,…
SCRs are unidirectional (one-way) current devices, making them useful…
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
This calculator determines the wavelength of a signal given the frequency and dielectric constant.
Don’t just sit there! Build something!! Learning to mathematically…
JFETs, like bipolar transistors, are able to “throttle”…
Don’t just sit there! Build something!! Learning to mathematically…
What will this voltmeter register when connected to a battery as shown…
Don’t just sit there! Build something!! Learning to mathematically…
To enter numbers in scientific notation into a hand calculator, there…
Pulse Width Modulation (PWM) uses digital signals to control power…
PARTS AND MATERIALS IBM-compatible personal computer with sound card,…
A helpful analogy for understanding divided feedback amplifier…
Despite lock-out/tag-out procedures and multiple repetitions of…
Logic circuits, whether comprised of electromechanical relays or…
Explain the difference between a balanced polyphase system and an…
Contributors to this chapter are listed in chronological order of…
As a first example of useful combinational logic, let’s build a…
After the introduction of the DC electrical distribution system by…
At first it may seem pointless to have the four buffer gates following…
This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
On this page, we’ll outline the three principles you should…
The “vocabulary” of instructions which any particular…
Since three-phase is used so often for power distribution systems, it…
It is sometimes useful in logic circuits to have a multivibrator which…
Contributors to this chapter are listed in chronological order of…
Don’t just sit there! Build something!! Learning to mathematically…
The interlock contacts installed in the previous section’s motor…
When students first see the parallel resistance equation, the natural…
Another strategy for addressing the problem of secondary electrons…
Before the advent of solid-state logic circuits, logical control…
Counting practice: count from zero to thirty-one in binary, octal, and…
AC electromechanical meter movements come in two basic arrangements:…
All entries arranged in alphabetical order of surname. Major…
Contributors to this chapter are listed in chronological order of…
If two coils of wire are brought into close proximity with each other…
Don’t just sit there! Build something!! Learning to mathematically…
With the notable exception of calculations for power (P), all AC…
By definition, a low-pass filter is a circuit offering easy passage to…
Write an equation describing the precise mathematical relationship…
