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.

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

Learners answer 14 questions about series-parallel DC circuits.

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

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

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

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

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

Learners answer six questions about transformers.

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

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

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

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

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

In this animated object, learners study the drawbacks of a single-loop armature of a DC motor and the advantages of a multi-loop armature.

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

Learners examine the internal parts of a DC electrical motor and then text their knowledge in a drag-and-drop exercise.

Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.