Learners take a close look at the Edison Wire System and observe how the current values through the two lines and the neutral of the system change as the loads vary.

In this animated object, learners examine how the heating or cooling steps in a manufacturing process work to control a chemical reaction.

Learners view an animated explanation of why an adjustment of the output voltage by an AC drive is required to maintain a constant torque as the frequency is varied.

Learners examine the information on a title block and answer questions about that information in an interactive quiz.

Learners apply the principles associated with Boyle’s Law.

In this interactive object, learners solve a series-parallel DC circuit analysis problem. Immediate step-by-step feedback is given.

In this animated object, learners examine the operation of a zener diode in the forward and reverse bias conditions. A quiz completes the activity.

Learners are introduced to the binary-coded decimal, a common way of encoding decimal digits in computing and electronic systems. A brief quiz completes the activity.

In this learning activity you'll review the hexadecimal numbering system.

Students analyze the eight single variable Boolean theorems and their expressions.

Learners examine how to multiply the gate propagation delay by the gate power dissipation to find the speed-power product. Examples are shown.

In this learning activity you'll explore the effect of connecting voltage sources in series to increase voltage applied to a load.

Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.

In this learning activity you'll recognize potential safety hazards around grinding equipment

In this interactive object, students work parallel circuit analysis problems. They solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.

Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.

In this animated object, learners study how conductive probe sensors are used to measure conductive liquid in a container.

Learners answer questions about ferrous metals and alloys using a game show format. Immediate feedback is provided.

In this animated and interactive object, learners follow three steps to calibrate an opposed optical sensor. They consider horizontal alignment, the sensitivity setting, and having an effective beam.

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.

Learners study the factors that determine the frequency of an AC generator, such as the rotational speed of the armature or the number of stator poles.

Students answer five questions concerning magnetism.

In this interactive object, students complete progressively more difficult exercises as a way to improve their ability to recognize resistor color code values.

Students read about the characteristics of the ideal operational amplifier and compare them with the industry standard LM741C.