Students view a dc analysis of a base-biased NPN transistor.
Testing an On/Off Switch
By Terry Bartelt
In this learning activity you'll review methods for testing an on/off switch with an ohmmeter and a voltmeter.
Series Circuit Analysis Practice Problems: Circuit #7
By Patrick Hoppe
In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.
The Universal NAND Gate
Students view schematics and truth tables that demonstrate how the AND, OR, and Hex Inverter functions are achieved through the use of only NAND gates.
Reading a P&ID Loop
Learners follow steps for reading a P&ID diagram of a closed-loop circuit.
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.
Properties of Exponents: Multiplication Rule - Set 2
You'll practice solving problems using the rule for multiplying powers with the same base.
You'll review and learn biology HSA terms.
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