Ziegler-Nichols Continuous Cycling Tuning Method
By Terry Bartelt
In this animated and interactive object, learners follow steps to perform the process identification procedure for the Ziegler-Nichols Continuous Cycling Tuning Method. A short 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.
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.
Learners study animation showing the operation of an AC wound-rotor motor with its external starting resistors. A short quiz completes the activity.
Work and Power (Screencast)
By James Bourassa, John Rosz
Learners examine the formulas for calculating work in ft-lb units and power in ft-lb/min. units.
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.
Who Wants to Be an "Engin-aire?" -- Heat Treatment
By Bryan LaVigne
Learners answer questions about the heat treatment of metals using a game show format. Immediate feedback is provided.
Who Wants to Be an "Engin-aire?" -- Ferrous Metals and Alloys
Learners answer questions about ferrous metals and alloys using a game show format. Immediate feedback is provided.
Wheatstone Bridge Application
In this animated activity, students view how the Wheatstone bridge is used to activate a temperature alarm. A short quiz completes the lesson.
Students follow step-by-step directions on how to make mathematical calculations for a Wheatstone bridge.
What Is Torque? (Screencast)
Learners read a description of torque and study the factors that cause its magnitude to change.
What Is Electricity?
The learner studies how electrons travel from one atom to the next. Examples demonstrate how voltage is created by the use of a battery or through magnetism. A quiz completes the activity.
Waveforms of an SCR Circuit
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.
Waveforms of a Triac Circuit
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.
In this animated object, students examine the concept of wattage dissipation and the three Watt's Law formulas.
Volts per Hertz Ratio in AC Drives
Learners view an animated explanation of why an adjustment of the output voltage by an AC drive is required to maintain a constant torque as the frequency is varied.
Volts Per Hertz Ratio
In this animated and interactive object, learners examine why the voltage produced by an AC drive must be increased when its frequency is increased due to inductive reactance.
Voltmeter Circuit Connections
Students read a step-by-step approach on how to connect a voltmeter to a circuit when making a measurement.
Voltages Across Series and Parallel Capacitive Circuits (Screencast)
In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.
Voltage, Resistance, and Current Relationships
In this learning activity you'll explain how voltage and resistance in a series circuit affect current flow.
Voltage Waveforms in an Edison Three-Wire System
Learners view the waveforms and voltages of an Edison Three-Wire System and read a description of the polarities across the secondary of the center-tap transformer. This transformer supplies power to residential homes.
Voltage Sources in Series
In this learning activity you'll explore the effect of connecting voltage sources in series to increase voltage applied to a load.
Voltage Sources in Parallel
The effect of connecting voltage sources in parallel to increase amperage to a load is presented.
Voltage Source Approximations
By Patrick Hoppe
Students examine the first and second approximations of a voltage source. A "stiff" voltage source is defined, and several examples are given.
Voltage Regulation of a Zener Diode
By Terry Bartelt, Terry Fleischman
The learner will understand how a zener diode maintains a constant voltage as the resistance values of a load change.