Students read an explanation of reactive power in a power distribution system involving motors, generators and transformers. A brief quiz completes the activity.

The learner views a method to find the total complex power of a circuit in which the individual real and reactive powers are found and then added together. Several examples are shown, along with the power triangles.

Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.

Learners read an explanation of the concept of apparent power in a power distribution system involving motors, generators, and transformers. A quiz completes this interactive lesson.

Students read an explanation of power factor in a power distribution and how it can be improved by using a power factor correction capacitor bank. A brief quiz completes the activity.

In this interactive object, students calculate inductive reactance, impedance, current, and power in parallel RL circuits.

In this interactive object, students calculate capacitive reactance, impedance, current, and power in parallel RC circuits.