In this interactive object, students view an animated depiction of Class 1 levers. A matching quiz completes the activity.

In this animated activity, learners examine the fundamental operation of a logic probe that is used to detect logic signals in a digital circuit.

Using text and graphics, this learning activity describes a sine wave, including alternations, cycles, time, amplitude, and degrees

Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short quiz completes the activity.

In this interactive and animated object, learners practice testing a diode. They determine if a diode is good, open, or shorted.

In this animated object, learners examine the operation of a zener diode in the forward and reverse bias conditions. A quiz completes the activity.

This learning object introduces the three approximations of a diode.

Students read how to set up the optical comparator edge detector in this interactive learning object.

The learner tests his/her ability to set up the optical comparator edge detector using a virtual simulation of the machine.

Identify the term described by the given statement or definition.

Why do the sky and the sea look blue when the sun is shining? Why does the seabed look shallow? How is the shadow of a coconut tree formed? What causes these phenomena to occur?

With my best wishes.

With my best wishes.