In this learning activity you'll determine the voltages that can be topped off of a multi-resistor voltage divider that has one main power source.

In this interactive object, learners solve additional problems involving total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

In this animated object, students view an example of how to convert rotational velocity to linear velocity. They then work practice problems.

This learning activity describes the abilities of an inductor coil to oppose alternating current and to pass direct current.

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

Learners study the mathematical calculations used to determine the proper PID values to be entered into a controller using the Ziegler-Nichols Reaction Curve.

Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.

In this interactive object, learners read how to determine the force created by a hydraulic cylinder during extension and retraction. A brief quiz completes the activity.

Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.

In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.

The learner will describe the non-inverting op-amp configuration and calculate the circuit gain.

In this interactive object, students view an animated depiction of Class 3 levers. A matching quiz completes the activity.

In this interactive object, students calculate inductive reactance, impedance, current, and power in parallel RL circuits.

Learners examine the differences and similarities between hydraulic and pneumatic systems.

Students read how to calculate the size of a hydraulic cylinder that is required for a particular application. Mathematical formulas are provided.

Learners view animations showing the operation of the internal parts of an AC generator. A short quiz completes the activity.

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

Students read how to determine and calculate the saturated unit weight for a given sample of soil or aggregate, based on the weight-volume relationship. Practice problems complete the activity.

Learners read how the transfer function for a RC low pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.

Learners study the method of cascading two or more PLC timers to extend their time capacity.

This interactive object is designed to help learners memorize the schematic symbols used in ladder logic diagrams. Learners quiz themselves using electronic flashcards.

In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.

In this animated activity, learners examine how an electronic converter changes digital signals to analog signals. Sections of a synthesizer are identified, and the operation of a D/A converter is demonstrated.

Learners examine how air-to-open valves and air-to-close valves are used in different situations. A brief quiz completes the activity.

In this animated and interactive object, learners follow steps to perform the process identification procedure for the Ziegler-Nichols Continuous Cycling Tuning Method. A short quiz completes the activity.