By Terry Bartelt
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Students read descriptions of the voltage, current, and turns ratios of the primary and secondary coils for a transformer in this interactive lesson.
Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.
In this animated learning object, students view the operation of an oscilloscope that is used to measure AC voltages. A brief quiz completes the activity.
Challenge your knowledge of HVAC systems and have a good time !
Show everyone how much you know about heat and heat transfer by solving these 7 phrases! Then move on to "Heat and Heat Transfer Part 2"
Have some fun, test your troubleshooting skills on cooling systems.