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In this interactive object, learners work 10 problems covering resistors, voltage, and current.
Impedance: Parallel to Series Conversion
By Patrick Hoppe
Students view the formulas to be used to convert a parallel impedance to a series impedance.
The Reynolds Number
By Terry Bartelt
In this animated learning object, users study the factors that affect a pipe’s fluid flow and how those factors pertain to a numerical value (the Reynolds Number).
Charging Time Constants of an RC Circuit (Screencast)
In this animated object, students view an explanation of how current, voltage, and the charge on a capacitor of a series RC circuit change during five time constants. A short quiz completes the activity.
Voltage and Current Amplitudes in a Series RLC Circuit
Learners examine how voltages and currents vary in a series RLC circuit as the applied frequency changes.
DC/AC I: Unit 8 Sample Exam
Students answer five questions concerning magnetism.
Resistor Color Code Recognition Drills
By James Bourassa, John Rosz
In this interactive object, students complete progressively more difficult exercises as a way to improve their ability to recognize resistor color code values.
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.
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