Just as devices have been made to measure certain physical quantities…
Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…
For ease of drawing complex circuit diagrams, electronic amplifiers…
Most of us have experienced some form of electric “shock,”…
Centuries ago, it was discovered that certain types of mineral rock…
By introducing electrical reactance into the feedback loops of an…
PARTS AND MATERIALS One N-channel junction field-effect transistor,…
It is very important to keep in mind that the “normal”…
PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…
PARTS AND MATERIALS Two 6-volt batteries One NPN…
A very important measurement in many liquid chemical processes…
PARTS AND MATERIALS Two 6-volt batteries Two NPN…
Every meter impacts the circuit it is measuring to some extent, just…
Brushless DC motors were developed from conventional brushed DC motors…
PARTS AND MATERIALS High-quality “closed-cup” audio…
Differential Op-Amp Circuits An op-amp with no feedback is already a…
Having learned about digital memory devices in the last chapter, we…
Single Phase Synchronous Motors Single-phase synchronous motors are…
The bipolar junction transistor (BJT) was named because its operation…
Seebeck Effect An interesting phenomenon applied in the field of…
After applying some of the general troubleshooting tips to narrow the…
PARTS AND MATERIALS Two 6 volt batteries One potentiometer, single…
AC Motors Perhaps the most important benefit of polyphase AC power…
Don’t just sit there! Build something!! Learning to mathematically…
PARTS AND MATERIALS 6-volt battery Magnetic compass Small permanent…
When an alternator produces AC voltage, the voltage switches polarity…
Introduction Whenever an electric voltage exists between two separated…
PARTS AND MATERIALS High-quality “closed-cup” audio…
In the chapter on mixed-frequency signals, we explored the concept of…
PARTS AND MATERIALS Calculator (or pencil and paper for doing…
Don’t just sit there! Build something!! Learning to mathematically…
For ease of drawing complex circuit diagrams, electronic amplifiers…
As we saw in a few SPICE analyses earlier in this chapter, the output…
Current Source It is possible through the use of electronic amplifiers…
If we were to express the series-connected DC voltages as phasors…
AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…
Conductors lose all of their electrical resistance when cooled to…
PARTS AND MATERIALS Sensitive meter movement (Radio Shack catalog #…
Both soldering irons and soldering guns are tools used in the process…
A Logic Gate is assigned as an elementary building block of…
