Learners examine how voltages and currents vary in a series RLC circuit as the applied frequency changes.

In this interactive learning object, students view the ammeter connections for measuring currents in a parallel circuit with three branches on an energy concepts lab board. A brief quiz completes the activity.

In this learning activity you'll determine what happens to current flow in a series circuit when the resistance is changed.

In this interactive learning object, students read about the voltage and current parameters commonly found on a data sheet. A brief quiz completes the activity.

Learners follow step-by-step instructions for creating a current-state map to identify how materials and information flow.

Learners study an animation that shows how a battery charge reduces over time and when varying resistance values are placed in a series circuit. Ten review questions complete the activity.

In this learning activity you'll review how a short affects current flow and voltage in a series circuit.

Learners examine the circuitry in a DC variable speed drive that protects the rectifier diodes and motor windings from being damaged due to excessive current.

Learners review Kirchhoff's Current Law and work six practice problems. Feedback is given.

Students determine what happens to current flow in a series circuit when the resistance is changed. A brief quiz concludes the activity.

Learners read how an inductor opposes a current change when it begins to energize and when it begins to de-energize. A short quiz completes the activity.

In this learning activity you'll review how an open in a series circuit affects current.

In this interactive object, learners vary the value of the resistance to see how it affects current. Example problems are included.

In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.

The learner will understand the two methods used to create a phase shift in current between two windings.

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

In this animated lesson, students read an analogy comparing water in a "special" water tank to the current "flow" through a capacitor.

In this animated activity, learners examine why various materials are conductors, insulators, or resistors of current. A short quiz completes the learning object.

In this animated object, learners drag resistors of the proper value into a series circuit to cause a required amount of current to flow. Seven review questions complete the activity.

Students examine the procedure to measure current with an analog ammeter. The use of Function and Range switches is explored along with reading the needle position on the meter scale. A brief quiz completes the activity.