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Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.
Clock Pulse Triggering of Flip-Flops (Screencast)
By Terry Bartelt
This screencast shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.
Brain Exercise: Visualization #2
By Glenn Sokolowski
In this interactive object, learners practice their 3D visualization skills by identifying the correct isometric view of an object.
By James Bourassa, John Rosz
Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.
Voltage Source Approximations
By Patrick Hoppe
Students examine the first and second approximations of a voltage source. A "stiff" voltage source is defined, and several examples are given.
AC Voltage Conversion Problems
By John Rosz, Terry Bartelt
Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.
AC Voltage Conversions
In this animated object, learners examine the formulas used to convert peak, RMS, average, and peak-to-peak AC voltages. A brief quiz completes the activity.
The Reflected Load in a Transformer
Learners examine how the load resistance connected to the secondary coil of a transformer affects the primary current. A brief quiz completes the activity.
Transformer Action Demonstration
Learners view animations and video clips showing how power is transmitted from one energized coil to another.
Total Impedance of a Series Circuit Using Complex Numbers: Practice Problems
Students solve six problems for series impedance using complex numbers. Immediate feedback is given.
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