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In this interactive object, learners work 10 problems covering resistors, voltage, and current.
Rotating Vector Representation of the Sine Function
The learner will be able to represent steady-state AC sinusoidal signals using phase vectors, which will lead to a simplified technique of analyzing AC circuits in a very similar way that we analyze DC circuits.
Total Impedance for Series-Parallel Circuits Using Complex Numbers: Practice Problems
By Patrick Hoppe
Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.
Who Wants to Be an "Engin-aire?" -- Ferrous Metals and Alloys
By Bryan LaVigne
Learners answer questions about ferrous metals and alloys using a game show format. Immediate feedback is provided.
Series-Parallel Circuit Analysis Practice Problems: Circuit #5
Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.
DC/AC I: Unit 8 Sample Exam
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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