How Adding Parallel Branches Decreases Total Resistance

By Terry Bartelt

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

By Patrick Hoppe

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.

Designing a Cylinder Dwell Circuit

This animated lesson shows how a ladder circuit uses timer-on delays to cause an extrusion machine to operate.

Hydraulic Schematic Symbol Flashcards

By John Rosz

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

Capacitors Series - Parallel: Practice Problems

Students complete 10 practice problems.

The Generation of Alternating Current

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.

Ziegler-Nichols Continuous Cycling Tuning Calculations

Learners examine the formulas that are used to determine the proper PID values to be entered into a controller using the Ziegler-Nichols Continuous Cycling Tuning Method.

Resistor Color Code Description

In this interactive activity, students read about the colored stripes on a resistor and interpret the placement of those colors to determine the value of four-band resistors.

Inductors

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

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.