Schematic Diagram Symbols

By Terry Bartelt

In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.

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.

Methods of Producing Electricity

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

Voltage Sources in Series

In this learning activity you'll explore the effect of connecting voltage sources in series to increase voltage applied to a load.

Kirchhoff's Current Law: Practice Problems

Learners review Kirchhoff's Current Law and work six practice problems. Feedback is given.

The Thevenin Theorem

By Patrick Hoppe

This animated object allows students to examine the four steps used to reduce a complex circuit to a simple series circuit.

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.

Kirchhoff's Voltage Law (KVL): Practice Problems

By Terry Fleischman, Patrick Hoppe

Learners review Kirchhoff's Voltage Law and work six practice problems. Feedback is given.

Op Amps 5: Non-Inverting Amplifier Circuit Resistance

By Todd Van De Hey

The learner will calculate basic circuit resistance.

Op Amps 6: Circuit Resistance for the Inverting Amplifier

The learner will calculate input and output circuit resistance for the Inverting Op-Amp configuration.

Series-Parallel DC Circuits Analysis

Learners follow a methodical approach for the dc analysis of series-parallel circuits.

Resistor Color Code Practice

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

Converting Values in Engineering Notation

By Ron Wallberg

The learner will convert various values to engineering notation.

Identifying the Number of Significant Digits

Learners will identify the number of significant digits in practice problems.

Op Amps 2: The Non-Inverting Amplifier

The learner will describe the non-inverting op-amp configuration and calculate the circuit gain.

Identifying Engineering Notation

The learner will represent very large and very small numbers in engineering notation.

Op Amps 3: The Inverting Amplifier

Describe the inverting op-amp configuration and calculate the circuit gain.

Op Amps 1: The Operational Amplifier

The learner will examine the basic characteristics of the operational amplifier integrated circuit and solve for Vout.

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.

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.

Synchronous Motors

In this animated object, learners study how the internal parts of an AC synchronous motor interact with magnetic fields to cause rotation. A short quiz completes the activity.

The Induction Motor Slip

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.

Fundamentals of a DC Motor

Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short quiz completes the activity.

Designing a Ladder Diagram

In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.

Rotating Vector Representation of the Sine Function

The learner will be able to represent steady-state AC sinusoidal signals using phase vectors, which will lead to a simplified technique of analyzing AC circuits in a very similar way that we analyze DC circuits.