Students work practice problems in which the total resistance of the circuit is calculated. Feedback is provided.

The learner will understand the circuit configuration and operation of an integrator op amp.

The learner reads step-by-step work instructions and views a drawing for facing and center drilling on a lathe.

Learners view an animation of a counterbalance valve in operation and examine the valve’s internal structure.

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 explore the operation of frequency division using several different types of counters.

This learning object shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.

In this animated activity, learners view the input and output leads of a JK flip-flop. They also see how it functions in each mode of operation. A brief quiz completes the learning object.

In this animated object, learners examine the operation of up-counters and down-counters for a programmable controller. A brief quiz completes the activity.