Voltage, Resistance, and Current Relationships
By Terry Bartelt
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.
Voltage Regulation
In this animated activity, learners examine how the speed of a motor may change if the voltage from the power source fluctuates due to power line irregularities. This lesson has audio content.
Voltage Measurements of a Half-Wave Rectifier
In this animated lesson, students view how an oscilloscope and a DC voltmeter measure the voltage of a half-wave rectifier.
Voltage Drops in a Series Circuit
Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.
Voltage Drops
By Tim Tewalt, Patrick Hoppe
In this animated object, learners drag resistors of the proper value into a series circuit to cause a required amount of current to flow. Seven review questions complete the activity.
Voltage Dividers
In this learning activity you'll determine the voltages that can be topped off of a multi-resistor voltage divider that has one main power source.
Voltage Divider Rule Practice Problems
Learners review the VDR and work six problems. Immediate feedback is given.
Voltage Divider Rule (VDR)
By Terry Fleischman, Patrick Hoppe
Students review the Voltage Divider Rule and work practice problems.
Voltage and Resistors
By Tim Tewalt
This is an animated troubleshooting exercise that takes voltage measurements to determine the fault of three different series circuits. There are six review questions that enable the learner to determine the effectiveness of the troubleshooting presentation.
Voltage and Current Amplitudes in a Series RLC Circuit
Learners examine how voltages and currents vary in a series RLC circuit as the applied frequency changes.
Voltage and Current Amplitudes in a Parallel LC Circuit
In this interactive object, learners examine how voltages and currents vary in a parallel LC circuit as the applied frequency changes.
Visual Logic Basic Programming: Using Flow Charts
By Jason Vosters
In this learning activity you'll understand what flow charts are and how they're used to create computer programs.
Vertical Controls
By Terry Fleischman
In this learning activity you'll read the procedures for using the vertical function of an oscilloscope and view illustrations of waveforms.
Vernier Measurements Review
By Kelly Curran
In this learning activity you'll follow 11 steps to take measurements using a Vernier caliper.
Vector Diagram for a Series RL Circuit
Learners view a vector diagram for a series RL circuit. Information on the voltage across each component, the total voltage, and the phase angle is included.
Vector Diagram for a Series RC Circuit
Learners view a vector diagram for a series RC circuit and read information concerning the voltage across each component, the total voltage, and the phase angle.
Vector Diagram for a Parallel RL Circuit
Learners read about the vector diagram for a parallel RL circuit. This animated lesson presents information on current flow through each branch, total current, and phase angle.
Vector Diagram for a Parallel RC Circuit
Learners read about the vector diagram for a parallel RC circuit. This animated lesson presents information on current flow through each branch, total current, and phase angle.
Variable Resistors
In this animated activity, students read about the two general types of variable resistors: potentiometers and rheostats. They then answer six multiple-choice questions.
Using the Microstepping Technique for Stepper Motors
Learners view animations showing how electrical signals are applied to the coils of a stepper motor to perform microstepping. A short quiz completes the activity.