Transistor Fundamentals: Emitter-Biased NPN Transistor
By Patrick Hoppe
Students view a dc analysis of an emitter-biased NPN transistor.
Designing a Ladder Diagram
By Terry Bartelt, Terry Fleischman
In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.
Series RLC Circuit Tic-Tac-Toe 1
By Terry Bartelt
By playing a game of tic-tac-toe, a student can review what happens to currents and voltages throughout a series RLC circuit when the applied frequency is increased from 0 Hz towards resonance.
The TI-83 Plus Calculator: Using the LOG Function
Students follow the correct keystrokes to calculate the logarithm of a number.
Pilot-Operated, Pressure-Reducing Valve Malfunctions
By Terry Bartelt, Stephen Schneider
In this animated activity, users examine the causes of malfunctions in a hydraulic pressure-reducing valve and the problems that result. A short quiz completes the learning object.
Transformers
Students read an introduction to transformers that includes schematic symbols, turns ratios, mutual inductance, and the coefficient of coupling.
The DC Shunt Motor
Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.
Identifying the Number of Significant Digits
By Ron Wallberg
Learners will identify the number of significant digits in practice problems.
Instantaneous Current Calculations of an Energizing RL Circuit (Using a TI-36X Calculator)
Learners view a sample of the keystrokes on a TI-36X calculator that are required to solve for the instantaneous current of an energizing RL circuit.
Interpreting Engineering Drawings: Common Abbreviations
By Glenn Sokolowski
In this interactive object, learners read the common abbreviations used in engineering drawings and then test their knowledge in three short exercises.
Series RC Circuit Practice Problems
By James Bourassa, John Rosz
In this interactive object, students calculate capacitive reactance, phase angle, impedance, and power in series RC circuits.
Zener Diode Voltage Regulation
In this animated and interactive object, learners examine how changes in applied voltage affect the current and voltages in a zener diode voltage regulation circuit. A short assessment completes the activity.
Circuit Protection
In this learning activity you'll explore how a fuse de-energizes a parallel circuit when too many lamps are connected to a power outlet.
Eddy Current Demonstration
Learners view two animations that show the effects of eddy currents.
The TI-83 Plus Calculator: The Square Root Function
Learners follow step-by-step instructions for calculating the square root of a number using the TI-83 Plus scientific calculator. Steps for determining impedance are also shown.
Conductors, Insulators and Resistors
In this animated activity, learners examine why various materials are conductors, insulators, or resistors of current. A short quiz completes the learning object.
Poka-Yoke
By Kaye Krueger
Learners view examples of devices that prevent mistakes from occurring.
Excel: Entering a Complex Number
Learners examine the complex number function to convert real and imaginary coefficients into a complex number.
Excel: Determining the Complex Conjugate
Students read how to use the IMCONJUGATE() function to convert complex numbers to their conjugate in rectangular form.
Charles's Law
Learners view an animation showing how the volume of a given quantity of gas varies directly with its temperature.
The Hydraulic System
Examine the components of a hydraulic system.
Thevenin Voltage: Practice Problems
Students work five practice problems to determine the Thevenin voltage of DC circuits.
Statics - Trig: Law of Cosines
By Steve Whitmoyer
In this interactive object, learners use the Law of Cosines to calculate forces.
Optical Encoder Classifications
In this animated object, learners examine the two types of optical encoders used in automation applications: incremental and absolute. A brief quiz completes the activity.
Watt's Law
In this animated object, students examine the concept of wattage dissipation and the three Watt's Law formulas.