This video goes through one of the most prominent issues with thermostat design, accounting for the…
Learn how design parameters impact system performance.
If a strip of conductive metal is stretched, it will become skinnier…
A very important measurement in many liquid chemical processes…
Brushless DC motors were developed from conventional brushed DC motors…
PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…
By introducing electrical reactance into the feedback loops of an…
Centuries ago, it was discovered that certain types of mineral rock…
Just as devices have been made to measure certain physical quantities…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
Having learned about digital memory devices in the last chapter, we…
PARTS AND MATERIALS High-quality “closed-cup” audio…
For ease of drawing complex circuit diagrams, electronic amplifiers…
It is very important to keep in mind that the “normal”…
Seebeck Effect An interesting phenomenon applied in the field of…
Every meter impacts the circuit it is measuring to some extent, just…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
PARTS AND MATERIALS Two 6-volt batteries Two NPN…
Most of us have experienced some form of electric “shock,”…
The bipolar junction transistor (BJT) was named because its operation…
“I consider that I understand an equation when I can predict the…
When capacitors are connected in series, the total capacitance is…
Just as devices have been made to measure certain physical quantities…
Don’t just sit there! Build something!! Learning to mathematically…
The electrical resistance of a conductor at any temperature may be…
When plotted on a curve tracer, the characteristic curve for a normal…
Most ohmmeters of the design shown in the previous section utilize a…
Arithmetic sequences An arithmetic sequence is a series of numbers…
Don’t just sit there! Build something!! Learning to analyze digital…
PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…
Suppose you were installing a high-power stereo system in your car,…
All About Contactors When a relay is used to switch a large amount of…
Conductors lose all of their electrical resistance when cooled to…
Schottky diodes Schottky diodes are constructed of a metal-to-N…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…
All entries arranged in alphabetical order of surname. Major…
All entries arranged in alphabetical order of surname. Major…
It is fairly important to use large value resistors (10 MΩ works…
Don’t just sit there! Build something!! Learning to mathematically…
Explain how the microphone in your amplifier works. How, exactly, does…
In ladder logic symbolism, an electromechanical relay coil is shown as…
Definition of a factorial Denoted by the symbol “!” after an…
Series and parallel resistances Series and parallel inductances…
The normal data inputs to a flip flop (D, S and R, or J and K) are…
Don’t just sit there! Build something!! Learning to mathematically…
This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.
Why learn about Karnaugh maps? The Karnaugh map, like Boolean…
The Romans devised a system that was a substantial improvement over…
The variable reluctance motor is based on the principle that an…
This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
Don’t just sit there! Build something!! Learning to mathematically…
When we store information in some kind of circuit or device, we not…
Quantum physics describes the states of electrons in an atom according…
Feedback is a fascinating engineering principle. It can turn a rather…
This calculator computes the power received by an antenna using Friis formula
If you’ve used DOS or UNIX operating systems before in a…
Determine what the magnitude and polarity of the voltmeter’s…
“Advances are made by answering questions. Discoveries are made…
