Timing Diagrams

By Terry Bartelt

The explanation and use of timing diagrams used in digital electronics to graphically show the operation of various circuits are given.

Ignition System of a Combustion Engine

Students view the parts and movements of a combustion engine in this animated activity. Each part is described.

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.

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.

Current Divider Rule (CDR)

By Patrick Hoppe

Students review the Current Divider Rule (CDR) and work practice problems.

The Zener Diode: Practice Problems

Students complete 10 practice problems. These deal with the determination of series current, zener current, and load current, and if the zener diode is operating in the breakdown region.

Interpreting the Resistor Color Code

Students examine how to interpret resistor color code bands to determine resistance values and tolerance ranges. This interactive learning object has audio content and includes exercises.

Current Divider Rule Practice Problems

In this interactive object, learners review the CDR and work nine problems. Immediate feedback is given.

A Sample Exam for Digital Electronics

Students answer 10 questions in a sample exam. This exercise covers number systems, number conversion, logic gates, and combinational design. Feedback is provided.

Magnetic Hysteresis

In this animated activity, learners examine how residual magnetism causes magnetic hysteresis.

The MOD Number

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

The Differentiator Op Amp

In this animated object, learners examine the circuit configuration and operation of a differentiator operational amplifier. 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 Induction Motor Slip

By Terry Bartelt, Terry Fleischman

In this animated object, learners examine how the rotation of an induction AC motor's armature slips behind the synchronous rotational speed of the stator's field to create magnetic fields. These fields interact and produce torque. A quiz completes the activity.

Automotive Electrical Systems: Ohm's LawPractice Problems #2

By Andrew Rinke, Patrick Hoppe

Learners review Ohm's Law and then work 12 problems to help them apply the law to automotive electrical systems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and are asked to solve for the third.

Voltage Dividers

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.

Current and Voltage Parameters of Digital Circuitry

In this interactive learning object, students read about the voltage and current parameters commonly found on a data sheet. A brief quiz completes the activity.

The Electrostatic Charge of a Capacitor

In this animated activity, learners examine the conversion of electrical energy into an electrostatic charge within the dielectric material of a capacitor.

An Impedance Matching Application

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

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.

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.

Total Power Calculations in a Series Circuit

In this learning activity you'll review the various ways to calculate the total power consumed in a series circuit.

Boolean Theorems (Multivariable)

Students read the multivariable theorems and view the graphic depictions of the Boolean expressions.

Serial-In Serial-Out Shift Register

In this animated activity, students view the operation of a 4-bit serial-in serial-out register. A brief quiz completes the learning object.

Transistor Fundamentals: Collector Saturation and Collector-Emitter Cutoff

Students read about the concepts of saturation and cutoff. They view diagrams that illustrate the interaction of the load line and the family of curves.