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Learners answer eight questions about capacitors. Help pages are available.
Ohm's Law Practice Problems #4
By Patrick Hoppe
Learners review Ohm's Law and work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and are asked to solve for the third.
Learners follow the steps for reducing all of the elements of a complex circuit to a single current source and a single source resistance to create a simple circuit. Several examples are given for dc circuits. The conversion between Thevenin and Norton is also presented.
Optical Encoder Classifications
By Terry Bartelt
In this animated object, learners examine the two types of optical encoders used in automation applications: incremental and absolute. A brief quiz completes the activity.
By Glenn Sokolowski
In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.
In this interactive object, learners examine the physical facets that determine the value of a capacitor. A brief quiz completes the activity.
This learning activity presents information on how the type of material used for the dielectric of a capacitor affects the capacitor's value in farads.
RC Time Constant
By Tim Tewalt, Patrick Hoppe
In this animated object, learners observe the voltage on a capacitor at various time constants when it either charges or discharges. Students then answer questions in the categories of Identify, Compare, and Compute.
Voltages Across Series and Parallel Capacitive Circuits
In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.
DC/AC I: Unit 8 Sample Exam
Students answer five questions concerning magnetism.
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