In this learning activity you'll review the hexadecimal numbering system.
Troubleshooting a Digital-to-Analog Converter
By Terry Bartelt
Learners read an explanation of how to troubleshoot a faulty digital-to-analog converter that has a shorted input.
By Terry Fleischman
In this learning activity you'll read the procedures for using the vertical function of an oscilloscope and view illustrations of waveforms.
The Time Proportioning Operational Amplifier
In this animated object, learners see how a time proportioning operational amplifier varies an average DC voltage. A brief quiz completes the activity.
Sizing a Tank Type Water Heater
By Randy Lorge
In this interactive learning object, the learner practices sizing a tank-type water heater for one- and two-family residences, townhouses, and apartments with individual water heaters.
Adding Fractions With Unlike Denominators
By Tina Dietzman
Learners follow steps to add fractions with different denominators. They also review fraction concepts, do a drag-and-drop exercise involving fraction terms, and add fractions with common denominators.
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.
Total Impedance of a Parallel Circuit Using Complex Numbers
By Patrick Hoppe
Students read how to determine the total impedance of a parallel circuit using complex numbers. The "J" term is used in the calculations.
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.
Total Impedance of a Parallel Circuit Using Complex Numbers: Practice Problems
Students work six practice problems to determine the total impedance of a parallel circuit.
Basic Internet concepts for kids
CHOOSE THE CORRECT NUMBER FOR EACH SPELLED OUT NUMBER
Converting hexadecimal, binary and decimal numbers.
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Give your new group a name.