Norton's Theorem

By Patrick Hoppe

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.

Thevenin Voltage: Practice Problems

Students work five practice problems to determine the Thevenin voltage of DC circuits.

Abbreviations Representing Electrical Quantities

By Terry Bartelt

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

Series-Parallel DC Circuits Analysis

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

Voltage Divider Rule (VDR)

By Terry Fleischman, Patrick Hoppe

Students review the Voltage Divider Rule and work practice problems.

The Superposition Theorem

The superposition theorem is explained as it relates to dc circuit analysis. Examples are given.

What Is Electricity?

The learner studies how electrons travel from one atom to the next. Examples demonstrate how voltage is created by the use of a battery or through magnetism. A quiz completes the activity.

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.

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.

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.

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.

A Sample DC/AC I Exam

Students complete a sample exam for DC/AC I. It provides an overview of the material presented in the course.

Ohm's Law: Current

By Tim Tewalt, Patrick Hoppe

Learners study animated rheostat settings that show how current flow is inversely proportional to resistance. Ten review questions complete the learning object.

Inductor Series - Parallel: Practice Problems

Students complete 10 practice problems.

Conductors, Insulators and Resistors

In this animated activity, learners examine why various materials are conductors, insulators, or resistors of current. A short quiz completes the learning object.

Shorts Affecting Current in a Series Circuit

In this learning activity you'll review how a short affects current flow and voltage in a series circuit.

Current in a Series Circuit

In this learning activity you'll determine what happens to current flow in a series circuit when the resistance is changed.

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.

Current Divider Rule (CDR)

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

Capacitors Series - Parallel: Practice Problems

The Relay

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

Batteries

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

Resistor Color Code Practice

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

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.

How Current Requires Voltage

This learning activity uses a water pressure analogy to present the concept that voltage pressure is required to cause current flow.