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.

Circuit Protection

By Terry Bartelt

In this learning activity you'll explore how a fuse de-energizes a parallel circuit when too many lamps are connected to a power outlet.

Demultiplexers

In this animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.

The Multiplexer/Demultiplexer IC Data Transfer Circuit

In this animated activity, the learner examines how a 74150 IC multiplexer and a 74154 IC demultiplexer work together when their data select lines are connected to the same input devices.

Voltage Measurements of a Half-Wave Rectifier

In this animated lesson, students view how an oscilloscope and a DC voltmeter measure the voltage of a half-wave rectifier.

An Impedance Matching Application

Learners consider why an impedance matching transformer is needed to connect an antenna to a television.

The Relay

In this animated lesson, students view the operation of an electromechanical relay. A brief quiz concludes the activity.

Voltage, Resistance, and Current Relationships

In this learning activity you'll explain how voltage and resistance in a series circuit affect current flow.

Batteries

By Patrick Hoppe

Learners are introduced to primary and secondary batteries. Examples are given.

Presetting and Clearing a Flip-Flop

In this animated activity, learners view how to clear and preset a flip-flop to store a logic 0 or a logic 1.

The MOD Number

Learners read how to calculate the MOD number and how it is used.

Average Voltages of Pulsating DC Voltages

In this learning activity, learners will learn to calculate the average voltage produced by half-wave and full-wave rectifiers.

Waveforms of a Triac Circuit

Learners observe the waveforms in a circuit in which a triac controls the brightness of a lampâ€™s light. A brief quiz completes the activity.

An Algorithm for Converting a Hexadecimal Number to a Decimal Number

By Kevin Ritzman

In this animated and interactive object, learners follow two methods for converting a hexadecimal number to a decimal number. They test their knowledge in exercises at the end of the learning object.

The Vertical Portion of the Sine Wave

In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.

DC Current Flow Through a Parallel Circuit

Learners observe current flow throughout the series portion and branches of a parallel circuit. This animated activity includes calculations and a short quiz.

Energizing Time Constants of an RL Circuit

In this animated object, students view an explanation of how current, voltage, and the magnetic field strength of a series RL circuit change during five time constants. A brief quiz completes the activity.

Series-Parallel Circuit Analysis Practice Problems: Circuit 9

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

Total Resistance of a Series Circuit

In this learning activity you'll review the process of solving for the total resistance in a series DC circuit.

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.

Summing Op Amp

In this animated object, learners examine the operation of a summing operational amplifier through formulas, tables, and animated illustrations. A brief quiz completes the activity.

Impedance Matching

Learners examine the impedance matching capability of a transformer and how to select the proper turns ratio to achieve this function. A brief quiz completes the activity.

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.

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.

Watt's Law

In this animated object, students examine the concept of wattage dissipation and the three Watt's Law formulas.