PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…
Capacitors, like all electrical components, have limitations that must…
Remember that this tutorial is not exhaustive by any means, and that…
A handy tool for reading resistor color code values
What factors determine where potentiometers Rpot1 and Rpot2 must be…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Perhaps the most challenging aspect of interpreting ladder diagrams,…
In the previous section, we explored what would happen in simple…
Don’t just sit there! Build something!! Learning to mathematically…
In the last section, we learned what would happen in simple…
Write an equation describing the precise mathematical relationship…
PARTS AND MATERIALS Two 6-volt batteries Carbon pencil…
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Don’t just sit there! Build something!! Learning to mathematically…
We know that the current in a series circuit may be calculated with…
Determine what the magnitude and polarity of the voltmeter’s…
In very simple, qualitative terms, rate the impedance of capacitors…
In electric circuits, the three basic quantities are voltage (E or V),…
PARTS AND MATERIALS Two 6 volt batteries Capacitor, 0.1 µF…
This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
Wire-by-Number project: simple voltage divider Description: Build a…
PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…
While Oersted’s surprising discovery of electromagnetism paved…
Learn the Power Formula We’ve seen the formula for determining…
In very simple, qualitative terms, rate the impedance of capacitors…
Identify which direction each potentiometer wiper must move in this…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
All entries arranged in alphabetical order of surname. Major…
If two coils of wire are brought into close proximity with each other…
Identify which trigonometric functions (sine, cosine, or tangent) are…
A handy tool for reading resistor color code values
The Q, or quality, factor of a resonant circuit is a measure of the…
Resonance in a Tank Circuit A condition of resonance will be…
Quantum physics describes the states of electrons in an atom according…
Don’t just sit there! Build something!! Learning to mathematically…
In this circuit, three resistors receive the same amount of current (4…
Given two lengths of metal wire, which one will have the least…
In the design of large and complex digital systems, it is often…
Shown here is the schematic symbol for a resistor: What is the purpose…
Don’t just sit there! Build something!! Learning to analyze digital…
An often neglected area of study in modern electronics is that of…
PARTS AND MATERIALS Four 6-volt batteries 12-volt light bulb, 25 or 50…
A similar effect happens in series inductive/capacitive circuits. When…
Specific resistance at 20o C: Material Element/Alloy ohm-cmil/ft…
Older electrical schematics showed connecting wires crossing, while…
The variable reluctance motor is based on the principle that an…
The use of variable voltage for instrumentation signals seems a rather…
What is an Encoder? An encoder is a circuit that changes a set of…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Note: this is a very unique and useful property of e. As in…
The expression of numerical quantities is something we tend to take…
The SPICE circuit simulation program provides for modeling diodes in…
The circuit in the previous section is not a very practical one. In…
This calculator will help compute the inductance of a length of wire.
Identify each of these logic gates by name, and complete their…
A very important measurement in many liquid chemical processes…
Despite lock-out/tag-out procedures and multiple repetitions of…
