Learners read how an inductor opposes a current change when it begins to energize and when it begins to de-energize. A short quiz completes the activity.
Bloodborne Pathogens: Risks of Exposure and Means of Transmission
In this interactive object, learners read about the occupations that are most at risk for bloodborne pathogen exposure. They also read about the most common pathogens and how they are transmitted. This learning object is based on information from the U.S. Occupational Safety and Health Administration.
The Multiplexer/Demultiplexer IC Data Transfer Circuit
In this animated activity, the learner examines how a 74150 IC multiplexer and a 74154 IC demultiplexer work together when their data select lines are connected to the same input devices.
The Mis-Education of the Negro (Chapter 6) by Dr. Carter G. Woodson
"While serving as the avenue for the oppressors propaganda, the Negro church although doing some good, has prevented the union of some diverse elements and has kept the race too weak to overcome foes who have purposely taught Negros how to quarrel and fight about trifles until their enemies can overcome them." - Dr. Carter G. Woodson
This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.
In this learning activity you'll review a conclusion and decide how effectively it summarized a speech. You'll also gain some tips for writing your own speech conclusion.