Learners examine a general approach to solving for the current through, the voltage across, and the power dissipated by each resistor in a series DC circuit. A three-resistor series circuit is used as an example.

Learners study animation showing the operation of cumulative and differential DC compound motors. A short quiz completes the activity.

Students answer five questions concerning magnetism.

In this interactive object, learners answer nine questions about inductors.

Learners answer eight questions about capacitors. Help pages are available.

In this interactive object, learners answer nine questions about series and parallel circuits. Immediate feedback is provided.

A sample exam for DC/AC I, unit # 12 is presented to the students. This unit covers transformers.

In this interactive object, learners work 10 problems covering resistors, voltage, and current.

Learners answer 14 questions about series-parallel DC circuits.

In this interactive object, learners work 11 problems covering atomic structure, conductors, and insulators.

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

In this interactive object, students answer 10 questions covering Ohm's Law and Power Law.

Learners answer six questions about transformers.

Learners analyze an emitter-biased npn transistor circuit. A "help" screen is available.

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

Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.

The approach to dc circuit analysis is presented to the learner. The approach is demonstrated for the student.

Learners view animations showing how to change the connections to cause a DC motor to reverse its rotation. A short quiz completes the activity.

Learners examine the connections of a DC motor and how the terminals are labeled. A matching exercise completes the learning object.

Learners analyze a base-biased npn transistor circuit. A "help" screen is available.