In this animated and interactive object, learners follow two methods for converting a hexadecimal number to a decimal number. They test their knowledge in exercises at the end of the learning object.

In this learning activity you'll explore Kirchhoff's Current Law and view examples of its application.

In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.

Learners examine the operation of an inductive proximity sensor in this animated object. A brief quiz completes the activity.

In this learning activity you'll explore how units in the metric system are related to each other and practice locating measurements on a metric line.

In this learning activity you'll practice converting from one metric unit to another.

Learners read a description of how an oscilloscope is used to measure the frequency of a sine wave.

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

This is an animated troubleshooting exercise that takes voltage measurements to determine the fault of three different series circuits. There are six review questions that enable the learner to determine the effectiveness of the troubleshooting presentation.

Topic 1

Review of whole numbers, decimals, fractions, percents, and order of operations.

You'll choose the number that is rounded to the correct decimal place: whole, tenth, hundredth, or thousandth.

Choice Board