Students work five practice problems to determine the Thevenin resistance of DC circuits.

The schematic symbols of logic gates used in digital circuits are shown.

In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.

In this animated activity, learners examine the circuitry in a DC variable speed drive that keeps the motor running at a constant speed as the load varies.

In this interactive object, learners answer nine questions about series and parallel circuits. Immediate feedback is provided.

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.

In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.

In this learning activity you'll practice solving for the total resistance of series-parallel DC circuits.

Learners examine the circuitry in a DC variable speed drive that prevents the motor from running at 0 rpm or at maximum speed under certain conditions.

Students learn how to predict how circuits will respond to varying frequency. They solve for the magnitude and phase angles.

Learners answer 14 questions about series-parallel DC circuits.

Students work five practice problems to determine the Thevenin voltage of DC circuits.

In this animated lesson, learners examine the rectifier circuitry in a DC variable speed drive that supplies the voltages to the field coil and armature.

The explanation and use of timing diagrams used in digital electronics to graphically show the operation of various circuits are given.

Students examine the full-wave rectifier. They review appropriate formulas and examples of actual circuits.

In this animated activity, learners examine the circuitry in a DC variable speed drive that causes the motor to accelerate or decelerate at slow rates. This learning object has audio content.