Boolean Theorems (Single Variable)

By Patrick Hoppe

Students analyze the eight single variable Boolean theorems and their expressions.

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.

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.

Methods of Producing Electricity

By Terry Bartelt

In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.

Abbreviations Representing Electrical Quantities

In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.

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.

Selecting a Proper Single Phase Transformer

By Gary Lindell, Terry Bartelt

Students follow the steps that are required to select a transformer with the proper ratings. Voltage, frequency, current, and KVA are considered.

Charging Time Constants of an RC Circuit (Screencast)

In this animated object, students view an explanation of how current, voltage, and the charge on a capacitor of a series RC circuit change during five time constants. A short quiz completes the activity.

Parallel RL Circuit Practice Problems

By James Bourassa, John Rosz

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

Transfer Functions: The RC Low Pass Filter

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 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.

Voltage Drops in a Series Circuit

Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.

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.

Voltage Divider Rule (VDR)

By Terry Fleischman, Patrick Hoppe

Students review the Voltage Divider Rule and work practice problems.

A Drill for Converting Binary Numbers to Decimal Numbers

By John Rosz

Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.

Basic Logic Gates

By Terry Bartelt, Terry Fleischman

The learner will understand the operation of the six fundamental logic gates and the inverter by using truth tables, Boolean Algebra equations, switch analogies, and written statements.

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.

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.

Measuring Current in a Parallel Circuit

In this interactive learning object, students view the ammeter connections for measuring currents in a parallel circuit with three branches on an energy concepts lab board. 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.

Resistor Color Code Practice

In this learning activity you'll build a resistor's color code based on the bands.

Ohm's Law Practice Problems #1

Learners review Ohm's Law and then work 12 problems. 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.

Total Resistance in a Parallel Circuit

The learner will apply the three formulas used to find the total resistance of three types of parallel resistor circuit configurations.

Transistor Fundamentals: Voltage-Divider Biased NPN Transistor

Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.