What does the acronym RF stand form, in reference to radio-related…
Don’t just sit there! Build something!! Learning to analyze digital…
Generators used in battery-charging systems must be regulated so as to…
Suppose a 12 volt lead-acid battery has an internal resistance of 20…
∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
Most AC motors are induction motors. Induction motors are favored due…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
With this lesson, I hope to avoid a common mistake found in…
A three-phase motor may be run from a single-phase power source.…
After applying some of the general troubleshooting tips to narrow the…
Electromechanical watt-hour meters use an aluminum disk that is spun…
One of the more fascinating applications of electricity is in the…
Don’t just sit there! Build something!! Learning to mathematically…
The variable reluctance motor is based on the principle that an…
A chandelier has five light bulbs in it, and one of them is not…
Normally, the rotor windings of a wound rotor induction motor are…
PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…
Explain the operation of this “H-bridge” motor control circuit: At…
Don’t just sit there! Build something!! Learning to analyze digital…
Before the advent of solid-state logic circuits, logical control…
Counting practice: count from zero to thirty-one in binary, octal, and…
Calculate the voltage output by the secondary winding of a transformer…
When an alternator produces AC voltage, the voltage switches polarity…
Solving for x in a given polynomial equation “ax2 + bx + c…
Contributors to this chapter are listed in chronological order of…
As was mentioned before, the angle of this “power…
Because octal and hexadecimal numeration systems have bases that are…
Bipolar Junction Transistor or BJT Current Mirror An often-used…
The fourth example has A partially overlapping B. Though, we will…
If a sinusoidal voltage is applied to an impedance with a phase angle…
This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.
PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…
So far we know that AC voltage alternates in polarity and AC current…
The concept of a mathematical power is familiar to most students of…
If a block of P-type semiconductor is placed in contact with a block…
A wound rotor induction motor has a stator like a squirrel cage…
Factoring Identities : a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…
So far, we’ve only been able to escape the sheer volume of…
PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…
Don’t just sit there! Build something!! Learning to mathematically…
