After the introduction of the DC electrical distribution system by…
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Generators used in battery-charging systems must be regulated so as to…
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Electromechanical watt-hour meters use an aluminum disk that is spun…
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Most AC motors are induction motors. Induction motors are favored due…
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Brushless DC motors were developed from conventional brushed DC motors…
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Charles Proteus Steinmetz’s first job after arriving in America…
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Normally, the rotor windings of a wound rotor induction motor are…
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If an electric current is passed through this wire, which direction…
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Single Phase Synchronous Motors Single-phase synchronous motors are…
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Explain the operation of this “H-bridge” motor control circuit: At…
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A three-phase motor may be run from a single-phase power source.…
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The variable reluctance motor is based on the principle that an…
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Stepper Motor vs Servo Motor A stepper motor is a…
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Most students of electricity begin their study with what is known as…
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Just as devices have been made to measure certain physical quantities…
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If the ends of a wire loop are attached to two half-circular metal…
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Solid-state switching circuits usually keep their constituent…
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Read the following quotation, and then research the term…
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A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor
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In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
Textbook
After the introduction of the DC electrical distribution system by…
Textbook
How is it possible to electrically measure the torque output by a…
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Don’t just sit there! Build something!! Learning to analyze digital…
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Shaded Pole Induction Motor An easy way to provide starting torque to…
Textbook
Brushless DC motors were developed from conventional brushed DC motors…
Textbook
Normally, the rotor windings of a wound rotor induction motor are…
Textbook
In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
Textbook
A three-phase motor may be run from a single-phase power source.…
Textbook
The interlock contacts installed in the previous section’s motor…
Textbook
Perhaps the most challenging aspect of interpreting ladder diagrams,…
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A tool designed to convert between units of torque
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All About Contactors When a relay is used to switch a large amount of…
Textbook
Just as devices have been made to measure certain physical quantities…
Textbook
The variable reluctance motor is based on the principle that an…
Textbook
This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.
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The armature windings of your DC motor will have very low resistance.…
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An often neglected area of study in modern electronics is that of…
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In this hands-on semiconductor electronics experiment, build a full-wave bridge rectifier using silicon diodes and learn some of this circuit's advantages and disadvantages.
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Write an equation describing the precise mathematical relationship…
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This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.
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What, exactly, is necessary to establish electrical continuity between…
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If we add a voltage divider to the negative feedback wiring so that…
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What is the purpose of a seven-segment decoder circuit? What is a…
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In this circuit, the electric motor is supposed to turn on whenever…
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Don’t just sit there! Build something!! Learning to mathematically…
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What Is a Zener Diode? A Zener diode is a special type of rectifying…
Textbook
What do we do if we come across a circuit more complex than the simple…
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If we connect the output of an op-amp to its inverting input and apply…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.
Textbook
There are three major kinds of power supplies: unregulated (also…
Textbook
In this hands-on electronics experiment, you will build a resistive voltage divider and observe how Ohm's law and Kirchhoff's voltage law (KVL) function in real circuits using a voltmeter and an ammeter.
Textbook
When the need arises to correct for poor power factor in an AC power…
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In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
Textbook
The electrical resistance of a conductor at any temperature may be…
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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