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.

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

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 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.

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

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.

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

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

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

In this learning activity you'll determine the total resistance in a DC parallel circuit.

Learners examine the wiring of the primary components of the three types of DC motors, series, shunt, and compound. The operational characteristics of each type of motor are described. A quiz completes the activity.

Learners examine three formulas than can be used to find dc power. Examples are given.

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

In this animated object, students observe how the pulsating DC output voltage of a full-wave rectifier is filtered by a capacitor.

In this learning activity you'll read the steps for proper meter placement for the measurement of resistance, voltage, and current.

In this animated activity, learners study how the magnetic field of an armature can distort the DC motor's main magnetic field. A brief quiz completes the object.

Students view a dc analysis of an emitter-biased NPN transistor.