Parallel RL Circuit Vector and Circuit Analyzer

By James Bourassa, John Rosz

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

Statics - Trig: The Law of Cosines Using a TI-36X Calculator

By Steve Whitmoyer

Learners apply the Law of Cosines to determine forces using a TI-36X calculator in this animated object.

Weight-Volume Relationships: Dry Unit Weight

Students read how to determine and calculate the dry unit weight for a given sample of soil or aggregate based on the weight-volume relationship.

Sine Wave Fundamentals

By Patrick Hoppe

Learners examine the characteristics of a sine wave and the various ways to describe it including Vp, Vp-p, Vrms, Vavg, and frequency.

Statics: Force Systems

Learners read an introduction to the four basic types of force systems for a statically determinate condition.

Series-Parallel Circuit Analysis Practice Problems: Circuit 10

Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.

Transfer Functions: The RL Low Pass Filter

Learners read how the transfer function for a RC low pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.

Power Factor

By Terry Bartelt

Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.

Electromagnets

Learners examine how an electromagnet is formed. Animated illustrations show current running through a coil wrapped around an iron core.

Excel: Rectangular to Polar Conversion for the Phase Angle in Radians

The conversion from rectangular to polar mode phase angle in radians is demonstrated in Excel.

Electrical Units, Abbreviations, and Symbols

In this learning activity you'll read introduction to electrical quantities, units, and symbols and test their knowledge in a matching exercise.

Total Impedance of a Series Circuit Using Complex Numbers

Students view several examples of how to determine the total impedance of a series circuit. The "j" term is used in all of the calculations.

Op Amp Fundamentals: The Non-Inverting Amplifier

Students are introduced to the non-inverting amplifier configuration. The formulas for closed loop gain and bandwidth are shown, and an example is given.

Series-Parallel Practice Problems Circuit 4

In this interactive object, learners work 12 problems dealing with dc circuit analysis.

The DC Motor

Learners examine the wiring of the primary components of the three types of DC motors, series, shunt, and compound. The operational characteristics of each type of motor are described. A quiz completes the activity.

Electrical Generator Basics

In this animated activity, learners examine how a voltage is induced into a conductor when the conductor cuts across magnetic flux lines. They also view the four factors that determine how much voltage is generated. A brief quiz completes the learning object.

Proportional Control Amplifier

Learners examine the operation of a proportional control amplifier and the two ways that it is programmed using proportional gain or proportional band. A brief quiz completes the activity.

Voltage Divider Rule Practice Problems

Learners review the VDR and work six problems. Immediate feedback is given.