Students work five practice problems to determine the Thevenin voltage of DC circuits.

Learners examine how to solve problems using the Pythagorean Theorem in Excel. Practice problems are included.

Students read descriptions of the voltage, current, and turns ratios of the primary and secondary coils for a transformer in this interactive lesson.

In this interactive object, learners view a practical application of a PLC Timer-On function.

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

Learners read an explanation of the concept of apparent power in a power distribution system involving motors, generators, and transformers. A quiz completes this interactive lesson.

In this animated object, learners examine the parts of a pneumatic power system, including the prime mover, compressor, and receiver tank, and how they function.

In this animated object, learners examine the ratio control method used in automation when two or more ingredients are mixed. A brief quiz completes the activity.

Students read about the concepts of saturation and cutoff. They view diagrams that illustrate the interaction of the load line and the family of curves.

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.

Learners follow the steps required to perform the Ziegler-Nichols reaction curve process identification procedure.

Learners read how to use the arctangent function to calculate the theta of an angle. The proper keystrokes are displayed.

Learners read about a process for sorting items in the workplace. "Sort" is the first of the five steps in 5S.

Students view the steps for subtracting complex numbers in Excel.

In this animated object, learners examine the operation of a hydraulic relief valve and its internal components. A brief quiz completes the activity.

In this animated activity, learners examine the operation of the SCR, including how it is biased and how it is turned off. A brief quiz completes the object.

In this learning activity you'll determine the total resistance in a DC parallel circuit.

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.

Students examine the four factors that affect resistance of a wire: temperature, length, diameter, and the type of material from which it is made. A short quiz completes the activity.

Students read about decibel power gain and decibel voltage gain. Examples are given for each.

The Ideal Bode plot is introduced. The three main topics covered are: corner frequencies, midband voltage gain, and the roll-off rate.

Students read an explanation of the summing amplifier and the formulas for closed-loop gain. An example is given.

In this animated object, learners examine how the rotation of an induction AC motor's armature slips behind the synchronous rotational speed of the stator's field to create magnetic fields. These fields interact and produce torque. A quiz completes the activity.

In this animated object, learners examine why and when the Kelvin scale is used. A brief quiz completes the activity.

Learners examine the use of the reciprocal key on the TI-83 Plus calculator to determine parallel resistance.