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Learners analyze an emitter-biased npn transistor circuit. A "help" screen is available.
Voltage Regulation of a Zener Diode
By Terry Bartelt, Terry Fleischman
The learner will understand how a zener diode maintains a constant voltage as the resistance values of a load change.
The Air Pilot
By Terry Bartelt
In this animated object, learners examine the operation of a pneumatic directional control valve using air pilot lines.
Dynamic Braking Circuits
In this animated activity, learners examine the operation of a dynamic braking circuit used to quickly stop a motor.
DC Circuit Analysis: The Series Circuit
By Patrick Hoppe
Learners examine a general approach to solving for the current through, the voltage across, and the power dissipated by each resistor in a series DC circuit. A three-resistor series circuit is used as an example.
Parts of Speech in Sentences: The Order of Operations
By David Hardgrove
Learners identify the parts of speech by following a certain order until each word in a sentence is labeled. In a variety of exercises, learners practice finding verbs, prepositional phrases, subjects, nouns, pronouns, adjectives, adverbs, and conjunctions.
Reading and Interpreting Bar Graphs
By Francine Nettesheim
In this learning activity you'll identify the various parts of a bar graph, read and interpret its data, and calculate the data to solve various application problems.
Financial Statement Analysis
By Lynette Teal
Learners read the definitions of working capital, current ratio, quick ratio, return on equity, accounts receivable turnover, and inventory turnover.
Cash Basis Accounting
By Julie Dilling
In this interactive object, learners read a brief summary of the principles of cash basis accounting and then check their knowledge of transactions in a drag-and-drop exercise.
Oscilloscope: DC Voltage Measurements
Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.
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Give your new group a name.