Simple Pneumatic Circuits

By Terry Bartelt

Learners examine the operation of five pneumatic animated circuits that use directional control valves, pilot lines, check valves, needle valves, and cylinders.

Oscilloscope Phase Shift Measurements (Screencast)

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

AC Current Flow

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.

Transfer Functions: The RC Low Pass Filter

By Patrick Hoppe

Students 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.

Electrical Switches & Pushbuttons

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

Parallel Inductance: Practice Problems

Students work nine practice problems to determine the total inductance of a parallel circuit. Immediate feedback is given.

Opens and Shorts in a Parallel Circuit

Learners examine the changes in current and voltage values in a parallel circuit when open and short conditions develop. Ohm's Law calculations are shown, and a brief quiz completes the activity.

Proper Meter Placement

In this learning activity you'll read the steps for proper meter placement for the measurement of resistance, voltage, and current.

How Adding Parallel Branches Decreases Total Resistance

In this animated object, learners follow an analogy of water flowing through pipes and valves to see how resistance decreases in a parallel circuit as branches are added.

Series RL Circuit Vector and Circuit Analyzer

By James Bourassa, John Rosz

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

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 Multiplication of Force by a Hydraulic System

In this animated and interactive object, learners examine a depiction of how force is multiplied by a larger cylinder when pressure from a pump is applied to a smaller cylinder. A short 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.

What Is Torque?

Learners read a description of torque and study the factors that cause its magnitude to change. A brief quiz completes the activity.

Powers of Ten: The Proper Use of Symbols

Students read about the six common terms used to represent the powers of ten in the field of electronics and complete two matching exercises.

Ammeter Circuit Connections

In this animated activity, students view a step-by-step approach of how to connect an ammeter to a circuit. A brief quiz concludes the lesson.

Armature Action of AC Motors

In this animated object, learners study the rotation of the magnetic stator field of an AC motor and how it interacts with the armature to cause rotation. A short quiz completes the activity.

Volts Per Hertz Ratio

In this animated and interactive object, learners examine why the voltage produced by an AC drive must be increased when its frequency is increased due to inductive reactance.

Motor Starter Protection

Learners examine the ways in which a motor starter circuit is protected by a main circuit breaker and overload heaters when there is excessive current.

Electrical Opens and Shorts

By Terry Bartelt, David Schwid

In this animated activity, learners examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.

Norton's Theorem

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.

Converting Values in Engineering Notation

By Ron Wallberg

The learner will convert various values to engineering notation.

Series-Parallel Circuit Analysis Practice Problems: Circuit #5

Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.

Voltage and Current Amplitudes in a Series RLC Circuit

Learners examine how voltages and currents vary in a series RLC circuit as the applied frequency changes.

Opens Affecting Current in a Series Circuit

In this learning activity you'll review how an open in a series circuit affects current.