(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Write an equation describing the precise mathematical relationship…
Don’t just sit there! Build something!! Learning to mathematically…
Don’t just sit there! Build something!! Learning to mathematically…
The Q factor of a series inductive circuit is given by the following…
A rheostat (variable resistor) and a switch are both examples of…
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…
Generally speaking, how many “time constants” worth of time does…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…
A modern method of electrical power control involves inserting a…
As an instructor of electronics, I am called upon frequently to help…
Solve this equation for the value of x: x + 5 = 8 How many exact…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
There’s a sure way to calculate any of the values in a reactive…
A popular use of diodes is for the mitigation of inductive…
Don’t just sit there! Build something!! Learning to mathematically…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
When capacitors are connected in series, the total capacitance is…
Although transistor switching circuits operate without bias, it is…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
A common phrase heard in reference to electrical safety goes something…
The Inductance Formula Wheeler’s formulas for…
∫f(x) dx Calculus alert! One of the fundamental principles of…
In an ideal case, an inductor acts as a purely reactive device. That…
Learn the Power Formula We’ve seen the formula for determining…
The Skin Depth of Copper in Electrical Engineering As previously…
The first, and perhaps most important, the relationship between…
Write an equation describing the precise mathematical relationship…
Wire-by-Number project: simple voltage divider Description: Build a…
Don’t just sit there! Build something!! Learning to mathematically…
Define the following acronyms as they apply to digital logic circuits:…
How is it possible to assign a fixed value of voltage or current (such…
This chapter explores the response of capacitors and inductors to…
What do we do if we come across a circuit more complex than the simple…
What is an Insulated Gate Bipolar Transistor (IGBT), and what…
Don’t just sit there! Build something!! Learning to mathematically…
JFETs, like bipolar transistors, are able to “throttle”…
PARTS AND MATERIALS Two 6-volt batteries Carbon pencil…
An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.
The variable reluctance motor is based on the principle that an…
Capacitors do not have a stable “resistance” as conductors…
Contributors to this chapter are listed in chronological order of…
If a sinusoidal voltage is applied to an impedance with a phase angle…
One method of addressing the digital ramp ADC’s shortcomings is…
What do each of the oscilloscope axes represent, in real-life terms…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
The circuits in the figure below are known as clampers or DC…
Most integrated circuits are digital, based on MOS (CMOS) transistors.…
OK, so how exactly can we represent AC quantities of voltage or…
