(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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…
Don’t just sit there! Build something!! Learning to mathematically…
A modern method of electrical power control involves inserting a…
Don’t just sit there! Build something!! Learning to mathematically…
Write an equation describing the precise mathematical relationship…
A rheostat (variable resistor) and a switch are both examples of…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
The Q factor of a series inductive circuit is given by the following…
Don’t just sit there! Build something!! Learning to mathematically…
Generally speaking, how many “time constants” worth of time does…
By definition, a low-pass filter is a circuit offering easy passage to…
Don’t just sit there! Build something!! Learning to mathematically…
Often in the course of designing and building electrical meter…
While Oersted’s surprising discovery of electromagnetism paved…
Let’s analyze a simple series circuit and determine the voltage…
The atoms in insulating materials have very tightly-bound electrons,…
These are the most common types of resistors available. Resistors…
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…
Quantum physics describes the states of electrons in an atom according…
PARTS AND MATERIALS Four 6 volt batteries Operational amplifier, model…
Don’t just sit there! Build something!! Learning to mathematically…
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
Don’t just sit there! Build something!! Learning to mathematically…
When inductors are connected in series, the total inductance is the…
PARTS AND MATERIALS Several 10 kΩ resistors One 10 kΩ…
A high-pass filter’s task is just the opposite of a low-pass…
Don’t just sit there! Build something!! Learning to mathematically…
Using the same value components in our series example circuit, we will…
At the beginning of this chapter, it illustrates how transistors could…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
(“c” being a constant) RELATED…
Ammeters Measure Electrical Current A meter designed to measure…
PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…
A handy tool for reading resistor color code values
Note the “50 ohm” rating printed on the jacket of the cable. What…
Let’s count from zero to twenty using four different kinds of…
Most ohmmeters of the design shown in the previous section utilize a…
In addition to voltage and current, there is another important…
Current Source It is possible through the use of electronic amplifiers…
PARTS AND MATERIALS Two 6-volt batteries Three NPN…
PARTS AND MATERIALS Four 6 volt batteries Operational amplifier, model…
If you’ve used DOS or UNIX operating systems before in a…
Superconducting devices, though not widely used, have some unique…
Before we begin to explore the effects of resistors, inductors, and…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Paper tube, from a toilet-paper roll Bar of iron…
Identify which trigonometric functions (sine, cosine, or tangent) are…
