This eBook was written as the sequel to the eBook titled DC …
This eBook was written as the sequel to the eBook titled DC Circuits, which was written in 2016 by Chad Davis. This eBook covers Alternating Current (AC) circuit theory as well us a brief introduction of electronics. It is broken up into seven modules. Module 1 covers the basic theory of AC signals. Since only DC sources are used in the first eBook, details of AC signals such as sinusoidal waveforms (or sine waves), square waves, and triangle waves are provided. Module 2, titled AC Circuits Math Background, covers the mathematics background needed for solving AC circuit problems. The background material in Modules 1 and 2 are combined in Module 3 to solve circuits with AC sources that include resistors, inductors, and capacitors (RLC circuits).
After this course the student can: Understand mechanical system requirements for Electric …
After this course the student can: Understand mechanical system requirements for Electric Drive Understand and apply passive network elements (R, L, C), laws of Kirchhof, Lorentz, Faraday Understand and apply: phasors for simple R,L,C circuits Understand and apply real and reactive power, rms, active and reactive current, cos phi Describe direct current (DC), (single phase) alternating current (AC) and (three phase) alternating current systems, star-delta connection Understand the principle of switch mode power electronic converters, pole as a two quadrant and four quadrant converter Understand principles of magnetic circuits, inductances and transformers
In this introduction to light energy, students learn about reflection and refraction …
In this introduction to light energy, students learn about reflection and refraction as they learn that light travels in wave form. Through hands-on activities, they see how prisms, magnifying glasses and polarized lenses work. They also gain an understanding of the colors of the rainbow as the visible spectrum, each color corresponding to a different wavelength.
The Wisc-Online open educational resource library contains 25 free learning objects that …
The Wisc-Online open educational resource library contains 25 free learning objects that can help you learn, study, or teach Manufacturing & Engineering - available to teachers and students under a Creative Commons license.
Students learn that charge movement through a circuit depends on the resistance …
Students learn that charge movement through a circuit depends on the resistance and arrangement of the circuit components. In a hands-on activity, students build and investigate the characteristics of series circuits. In another activity, students design and build a flashlight.
Students use conductivity meters to measure various salt and water solutions, as …
Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt dissolved in water and their corresponding conductivity readings. Using their calibration curves, students estimate the total equivalent amount of salt contained in Gatorade (or other sports drinks and/or unknown salt solutions). This activity reinforces electrical engineering concepts, such as the relationship between electrical potential, current and resistance, as well as the typical circuitry components that represent these phenomena. The concept of conductors is extended to ions that are dissolved in solution to illustrate why electrolytic solutions support the passage of currents.
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