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Learners answer eight questions about capacitors. Help pages are available.
Identifying the Number of Significant Digits
By Ron Wallberg
Learners will identify the number of significant digits in practice problems.
Parallel Circuit Analysis Practice Problems: Circuit #4
By Patrick Hoppe
In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.
Pulse Train Fundamentals: Practice Problem #3
In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.
The Superposition Theorem
The superposition theorem is explained as it relates to dc circuit analysis. Examples are given.
By Terry Bartelt
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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