Though it may seem strange to cover the elementary topic of electrical…
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We’ve already seen one example of a monostable multivibrator in…
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Electromechanical relays used to start and stop high-power electric…
Worksheets - Switches
A practical application of switch and relay logic is in control…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Switches
A special type of relay is one that monitors the current, voltage,…
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In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.
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Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Switches
“All men are liable to error;” —John Locke Whereas…
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The interlock contacts installed in the previous section’s motor…
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Before the advent of solid-state logic circuits, logical control…
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Thyristors are a class of semiconductor components exhibiting…
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Complementary Output Gates It is sometimes desirable to have a logic…
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How is it possible to electrically measure the torque output by a…
Worksheets - Switches
Like its bipolar cousin, the field-effect transistor may be used as an…
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What does the normal status of an electrical switch refer to?…
Worksheets - Switches
What does it mean, in general terms, to encode something? Conversely,…
Worksheets - Switches
Every meter impacts the circuit it is measuring to some extent, just…
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Counting practice: count from zero to thirty-one in binary, octal, and…
Worksheets - Switches
All About Contactors When a relay is used to switch a large amount of…
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What is the purpose of the switch shown in this schematic diagram?
Worksheets - Switches
A switch can be constructed with any mechanism bringing two conductors…
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The variable reluctance motor is based on the principle that an…
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What does the normal status of an electrical switch refer to?…
Worksheets - Switches
After the introduction of the DC electrical distribution system by…
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Normally, the rotor windings of a wound rotor induction motor are…
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In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.
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In ladder logic symbolism, an electromechanical relay coil is shown as…
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What is an Insulated Gate Bipolar Transistor (IGBT), and what…
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Solid-state switching circuits usually keep their constituent…
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A wound rotor induction motor has a stator like a squirrel cage…
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Electromechanical watt-hour meters use an aluminum disk that is spun…
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A switch is an electrical component that can “make” or…
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The structure behind ladder logic is based on the electrical ladder…
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What does it mean, in general terms, to encode something? Conversely,…
Worksheets - Switches
Limitations of Electromechanical Relays As versatile as…
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It is very important to keep in mind that the “normal”…
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In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.
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Don’t just sit there! Build something!! Learning to mathematically…
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Like its bipolar cousin, the field-effect transistor may be used as an…
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This chapter explores the response of capacitors and inductors to…
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A waveguide is a special form of transmission line consisting of a…
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In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.
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Counting practice: count from zero to thirty-one in binary, octal, and…
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A helpful analogy for understanding divided feedback amplifier…
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A popular use of diodes is for the mitigation of inductive…
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(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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Cathode: This is the electrode that is heated and emits the…
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Perhaps the most ingenious technique was that of the delay line. A…
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Inductive Reactance Capacitive Reactance …
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Label where each of the following electrical quantities would be found…
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Point-to-Point Connecting two digital devices with a network, would…
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Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Switches
∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…
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With simple gate and combinational logic circuits, there is a definite…
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Normally, the rotor windings of a wound rotor induction motor are…
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Mutual inductors are inductors that capitalize the effect of mutual…
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In this series of hands-on electronics experiments, build alternating current (AC) circuits and learn about basic electrical engineering circuit concepts, including transformers, motors, phase shifts, signal coupling, and noise cancellation.
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As we’ve already learned, electricity requires a complete path…
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A calculator designed to compute the power-added efficiency (PAE) of an amplifier
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