Transfer Functions: The RC High Pass Filter

By Patrick Hoppe

Learners read how the transfer function for a RC high 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.

Instantaneous Voltage Calculations of a Charging RC Circuit (Calculator TI-35X orTI-36X)

By Terry Bartelt

Learners view a sample of the keystrokes from a TI-35X or 36X calculator that are required to solve for the instantaneous voltage of a charging RC circuit.

Oscilloscope AC Voltage Measurements

In this animated learning object, students view the operation of an oscilloscope that is used to measure AC voltages. A brief quiz completes the activity.

Series-Parallel Circuit Analysis Practice Problems: Circuit 2

In this interactive object, learners solve a series-parallel DC circuit analysis problem. Immediate step-by-step feedback is given.

Capacitive Probe Sensors

Learners study the operation of capacitive probe sensors used to measure levels in a tank.

Statics: Law of Transmissibility

By Steve Whitmoyer

Learners examine how a force may be considered to act at any point along its line of action as long as the magnitude and direction of the force remain unchanged. Numerical verification is provided.

Excess Gain of Optical Sensors

In this animated activity, learners examine how to change the gain of an optical sensor to overcome environmental conditions and distance.

Data Compare Instructions

In this animated object, learners examine three data compare instructions used by programmable logic controllers (PLCs). A practical application to show how these instructions are used in an industrial setting is provided.

Two-Wire Sensors

In this animated object, learners examine the signals produced by sourcing and sinking two-wire sensors. A brief quiz completes the activity.

Transistor Fundamentals: E-MOSFETs, the Ohmic Region

The ohmic region of the E-MOSFET is identified. Formulas are given to determine the proper operation in the ohmic region. An example of circuit analysis is also given.

Kirchhoff's Voltage Law (KVL): Practice Problems

By Terry Fleischman, Patrick Hoppe

Learners review Kirchhoff's Voltage Law and work six practice problems. Feedback is given.

RPM of AC Motors

By Terry Bartelt, Terry Fleischman

Learners study factors that affect the synchronous speed of an AC motor: the applied AC frequency and the number of stator poles.

Thread Specifications

By Glenn Sokolowski

In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.

The Function Generator

Students read a description of the function generator and view a graphic that labels its parts.

Instantaneous Voltage Calculations of a Charging RC Circuit (Calculator TI-30XIIS)

Students view the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous voltage of a charging RC circuit.

Power Factor Correction

Students read an explanation of power factor correction. Examples of both inductive and capacitive loads are given.

Voltmeter Circuit Connections

Students read a step-by-step approach on how to connect a voltmeter to a circuit when making a measurement.

Ohmmeter Measurement Connections

Learners read a step-by-step approach on how to connect an ohmmeter when making measurements in this interactive lesson.

Wires

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.

Power Law: The Relationship of Voltage, Current, and Watts

Learners examine three formulas than can be used to find dc power. Examples are given.

Radiation Pyrometer Temperature Sensors

Learners examine how a radiation pyrometer converts the frequency of electromagnetic waves to a temperature reading.

Combustible Gas Detectors

Learners examine the theory of operation for a combustible gas detector. A brief quiz completes the activity.

Ziegler-Nichols Continuous Cycling Tuning Calculations

Learners examine the formulas that are used to determine the proper PID values to be entered into a controller using the Ziegler-Nichols Continuous Cycling Tuning Method.

DC Current Flow Through a Parallel Circuit

Learners observe current flow throughout the series portion and branches of a parallel circuit. This animated activity includes calculations and a short quiz.