By Janet Braun
By Barbara Anderegg
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Learners examine the proper way to set up standard and metric micrometers to measure the wear on a brake drum.
In this animated lesson, students view the operation of an electromechanical relay. A brief quiz concludes the activity.
Learners read an explanation of how to connect two 7485 ICs to compare binary numbers by creating an 8-bit comparator. Diagrams and charts are presented.