Education 2.8 Some Examples with AC Circuits adminJan 25, 2020 Letâ€™s connect three AC voltage sources in series and use complex numbers to determine additive voltages. All the...

Education 2.7 More on AC polarity adminJan 25, 2020 Complex numbers are useful for AC circuit analysis because they provide a convenient method of symbolically denoting...

Education 2.6 Complex Number Arithmetic adminJan 25, 2020 Since complex numbers are legitimate mathematical entities, just like scalar numbers, they can be added, subtracted,...

Education 2.5 Polar Form and Rectangular Form Notation for Complex Numbers adminJan 25, 2020 In order to work with complex numbers without drawing vectors, we first need some kind of standard mathematical...

Education 2.4 Complex Vector Addition adminJan 25, 2020 If vectors with uncommon angles are added, their magnitudes (lengths) add up quite differently than that of scalar...

Education 2.3 Simple Vector Addition adminJan 25, 2020 Remember that vectors are mathematical objects just like numbers on a number line: they can be added, subtracted,...

Education 2.2 Vectors and AC Waveforms adminJan 25, 2020 OK, so how exactly can we represent AC quantities of voltage or current in the form of a vector? The length of the...

Education 2.1 Introduction to Complex Numbers adminJan 25, 2020 If I needed to describe the distance between two cities, I could provide an answer consisting of a single number in...

Education 1.6 Principles of Radio adminJan 25, 2020 One of the more fascinating applications of electricity is in the generation of invisible ripples of energy called...

Education 1.5 AC phase adminJan 25, 2020 Things start to get complicated when we need to relate two or more AC voltages or currents that are out of step with...

Education 1.4 Simple AC Circuit Calculations adminJan 25, 2020 Over the course of the next few chapters, you will learn that AC circuit measurements and calculations can get very...

Education 1.3 Measurements of AC Magnitude adminJan 25, 2020 So far we know that AC voltage alternates in polarity and AC current alternates in direction. We also know that AC can...

Education 1.2 AC Waveforms adminJan 25, 2020 When an alternator produces AC voltage, the voltage switches polarity over time, but does so in a very particular...

Education 1.1 What is Alternating Current (AC)? adminJan 25, 2020 Most students of electricity begin their study with what is known as direct current (DC), which is electricity flowing...