Voltage Dividers

By Terry Bartelt

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.

Series Circuit Analysis Practice Problems Part 2

By Patrick Hoppe

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.

Converting Rotational Velocity to Linear Velocity

By James Bourassa, John Rosz

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

Inductors

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

Active Region Operation of a Transistor

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

Ziegler-Nichols Reaction Curve Tuning Calculations

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

The Current Divider Rule (CDR) with Complex Numbers

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

The Force of a Hydraulic Cylinder

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.

A Timer-Off Application

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

The Basic Operation of a Diode

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.

Op Amps 2: The Non-Inverting Amplifier

By Todd Van De Hey

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

Introduction to Class 3 Levers

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

Parallel RL Circuit Practice Problems

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

Comparing Hydraulics and Pneumatics

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

Determining Hydraulic Cylinder Size

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

The Elementary AC Generator

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

AC Voltage Conversion Problems

By John Rosz, Terry Bartelt

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

Weight-Volume Relationships: Saturated Unit Weight

By Steve Whitmoyer

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.

Transfer Functions: The RL Low Pass Filter

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.

Cascading Timers

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

Ladder Logic Schematic Symbol Flashcards

By John Rosz, Terry Fleischman

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

Voltages Across Series and Parallel Capacitive Circuits

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

Digital-to-Analog Converters

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.

Air-to-Open/Air-to-Close Valves

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

Ziegler-Nichols Continuous Cycling Tuning Method

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.