In this learning activity you'll practice using the 4-input truth table.

In this animated activity, learners read about the types of lines found on blueprints. A quiz completes the activity.

The learner reads an explanation of how to determine lengths for tubing and pipe bending and then performs calculations in an interactive exercise. Two methods for determining angle bends are shown. A calculator is required.

This learning object introduces the three approximations of a diode.

This interactive object is designed to help learners memorize schematic symbols used in hydraulic diagrams. Learners quiz themselves using electronic flashcards.

Learners study the method of cascading two or more PLC timers to extend their time capacity.

Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.

Learners view animations showing the operation of the internal parts of an AC generator. A short quiz completes the activity.

Learners observe the waveforms in a circuit in which a triac controls the brightness of a lamp’s light. A brief quiz completes the activity.

This learning activity uses a water pressure analogy to present the concept that voltage pressure is required to cause current flow.

The learner will apply the three formulas used to find the total resistance of three types of parallel resistor circuit configurations.

In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.

In this animated and interactive object, learners examine the formula for horsepower and work practice problems.

The learner will describe the non-inverting op-amp configuration and calculate the circuit gain.

Learners will understand how the interaction of the armature magnetic field and the rotating stator field cause the rotor of a single-phase AC motor to turn.

In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.

In this learning activity you'll describe the operation of an AND gate by using a truth table, a waveform diagram, a Boolean Algebra equation, a switch analogy, and a written definition.

Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.

In this learning activity you'll practice reading a micrometer.

Students analyze the eight single variable Boolean theorems and their expressions.

Introduction to selecting the proper punch and die for air bending or bottoming when forming on a press brake. Includes charts and methods for selection.

In this animated object, learners study the rotation of the magnetic stator field of an AC motor and how it interacts with the armature to cause rotation. A short quiz completes the activity.

Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.

Learners view waveforms at various locations of an SCR circuit controlling the intensity a light bulb. The waveforms are shown when the light is dim, at medium brightness, and at full brightness. A brief quiz completes the activity.

Learners observe the animated operation of an astable mulivibrator using a 555 IC (integrated circuit) chip and external components.