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Learners answer 14 questions about series-parallel DC circuits.
Magnetics AC Power Generation
By Tim Tewalt, Patrick Hoppe
Learners examine an animation that shows how an AC voltage is produced as an armature rotates within a magnetic field. Ten review questions complete the learning object.
By Terry Bartelt
Students observe the operation of a tri-state buffer used in digital electronics. A brief quiz completes the activity.
The Semiconductor Diode
In this interactive object, learners examine the PN sections of a diode and the diode's forward- and reverse-biased operations. A brief quiz completes the activity.
Schematic Diagram Symbols
In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.
DC/AC I: Unit 8 Sample Exam
By Patrick Hoppe
Students answer five questions concerning magnetism.
DC/AC I: Unit 9 Sample Exam
In this interactive object, learners answer nine questions about inductors.
DC/AC I: Unit 10 Sample Exam
Learners answer eight questions about capacitors. Help pages are available.
DC/AC I: Unit 11 Sample Exam
Learners answer six questions about transformers.
DC/AC I: Unit 12 Sample Exam
A sample exam for DC/AC I, unit # 12 is presented to the students. This unit covers transformers.
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Give your new group a name.