In this learning activity you'll create a stem and leaf plot.

Learners follow the steps for reducing all of the elements of a complex circuit to a single current source and a single source resistance to create a simple circuit. Several examples are given for dc circuits. The conversion between Thevenin and Norton is also presented.

In this animated activity, learners view the seven steps that are used to calculate voltage and current values throughout a common-emitter transistor amplifier.

Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.

Learners view the operation of an NPN transistor in the active region.

In this interactive object, learners follow steps to find phase voltages in a partial three-phase power distribution circuit.

Students follow the steps that are required to select a transformer with the proper ratings. Voltage, frequency, current, and KVA are considered.

The learner views the operation of a transistor switching from saturation to cutoff. A brief quiz completes the activity.

In this animated object, learners examine how the rotation of an induction AC motor's armature slips behind the synchronous rotational speed of the stator's field to create magnetic fields. These fields interact and produce torque. A quiz completes the activity.

In this animated activity, learners study how the magnetic field of an armature can distort the DC motor's main magnetic field. A brief quiz completes the object.

In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.

The superposition theorem is explained as it relates to dc circuit analysis. Examples are given.

In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.

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

Learners follow a methodical approach for the dc analysis of series-parallel circuits.

Students review the Voltage Divider Rule and work practice problems.

Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.

In this animated object, learners study how the internal parts of an AC synchronous motor interact with magnetic fields to cause rotation. A short quiz completes the activity.

In this learning activity you'll identify points on a coordinate system.

Learners match respiratory drug actions to the appropriate drug category.