In this animated object, learners see how a time proportioning operational amplifier varies an average DC voltage. A brief quiz completes the activity.
In this animated object, learners examine how current, voltage and the discharging capacitor of a series RC changes during 5 time constants. A brief quiz completes the activity.
You'll practice converting between units of measure for time.
In this animated object, learners observe the voltage on a capacitor at various time constants when it either charges or discharges. Students then answer questions in the categories of Identify, Compare, and Compute.
In this animated object, students view an explanation of how current, voltage, and the magnetic field strength of a series RL circuit change during five time constants. A brief quiz completes the activity.
In this animated learning object, students examine current, voltage, and the magnetic field strength of a series RL circuit while it is de-energizing during five time constants. A quiz completes the activity.
In this animated object, learners study the problems that develop if the scan time of a PLC is too slow.
Learners examine the concept of the RC time constant. The instantaneous voltage across the capacitor is calculated.
Putting the correct pieces together to best manage your time
Learners view animations showing how a time-of-flight flowmeter uses ultrasonic sound waves to measure the flow of a liquid.
Students read about when to use the prepositions "at," "on," and "in" to refer to time. They complete practice sentences using these prepositions.
Students read about the 24 time zones and make conversions.
In this animated activity, students view the plastic pellets in a profile extrusion machine being melted as the temperature of the heating elements is elevated by a time proportioning control system.
Learners read an explanation of the L/R time constant and examine the formula for calculating the instantaneous current value. The current is graphed as it climbs to maximum or drops to zero.
Students view a world map and click on a country or continent to read about how the people there view time. A brief quiz concludes the activity.
In this animated object, students view an explanation of how current, voltage, and the charge on a capacitor of a series RC circuit change during five time constants. A short quiz completes the activity.
In this learning activity you'll enter your wage information and learn what a day, an hour, and a minute of their time costs an employer.
Test your knowledge of multimedia acronyms commonly used in the computer industry.
In this learning activity you'll explore the functions and proper operation of a digital multimeter.
The learner listens to and sees Chinese vocabulary words used to describe hobbies, sports, and other pastimes.