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Learning Object
The Basic Operation of a Diode
In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.
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biased, diode, diodes, forward, reverse, rr0001, semiconductor
The Basics of Welding Electricity
Explore welding electricity fundamentals including electron theory, parts of a circuit, welding power sources, and types of current.
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amperage, electricity fundamentals, parts of a circuit, resistance, voltage, welding input power
The Broadband Telco Services Subscriber Loop
Walk through the subscriber loop and learn how the signal travels from the central office to the subscriber.
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broadband, subscriber loop, telephone
The Current Limiting Circuit
Learners examine the circuitry in a DC variable speed drive that protects the rectifier diodes and motor windings from being damaged due to excessive current.
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DC Drive, DC variable speed, electrical machines, electrical motors
The Cycloidal Gear Drive
The learner will gain an understanding of the inner workings of the cycloidal gear drive while watching a video and listening to an explanation of its features.
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cycloidal, cycloidal gear box, planetary gear drive, robotics, robots, welding gear drives
The DC Shunt Motor
Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.
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dc, electrical, motor, motors, shunt, STEM, the
The Firing Circuit of a DC Drive
In this animated activity, learners examine the firing circuits in a DC variable speed drive. The circuits cause the current flow through the armature and rpm to vary. This activity has audio content.
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circuits, DC Drive, electrical motor, industrial automation, motor speed
The Frequency of an AC Generator
Learners study the factors that determine the frequency of an AC generator, such as the rotational speed of the armature or the number of stator poles.
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ac, frequency, generator, generators
The Horizontal Portion of the Sine Wave
In this animated object, learners examine cycles, frequency, Hertz, wavelengths, and periods. A brief quiz completes the activity.
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aa0001, ac, alternating, current, frequency, period, sine, voltage, wave, wavelength