In this animated learning object, learners examine how an ultrasonic flowmeter measures the flow of liquids through a pipe using ultrasonic sound waves. A short quiz completes the activity.

The learner views animation showing how a DC motor is wired and its operational characteristics. A short quiz completes the activity.

In this animated object, learners examine the basic types of limit switches and how they are used.

In this animated activity, students read about the two general types of variable resistors: potentiometers and rheostats. They then answer six multiple-choice questions.

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

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

This learning activity presents information on how the type of material used for the core material of an inductor affects the inductors value in henries.

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

It will help you with your math.

Questions about the English Dotty Detective books.

You'll practice defining terms relating to cylinders and identifying parts of cylinders.

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