Students read an introduction to capacitive reactance and view examples.

Learners study animation showing the operation of an AC wound-rotor motor with its external starting resistors. A short quiz completes the activity.

In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

Learners read the definitions of working capital, current ratio, quick ratio, return on equity, accounts receivable turnover, and inventory turnover.

Students solve problems on the determination of total inductive reactance of series-parallel inductors.

Students solve problems on the determination of total capacitive reactance of series-parallel capacitors.

By playing a game of tic-tac-toe, a student can review what happens to currents and voltages throughout a series RLC circuit when the applied frequency is increased from 0 Hz towards resonance.

By playing a game of tic-tac-toe, a student can review what happens to currents and voltages throughout a series RLC circuit when the applied frequency is increased above resonance.

4th grade math lines, angles, and spiral 11 questions

Basic terms found in the study of electricity.

Fourth Grade Science Review

The Dynamic Ocean pt 1 Review