Voltage and Current Amplitudes in a Series RLC Circuit
By Terry Bartelt
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.
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.
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.
Truth Tables (Screencast)
Instructions on how to use and construct a truth table for digital devices are provided.
True Power
Students read about the concept of true power and view examples of how it is dissipated as heat is provided.
Troubleshooting a Faulty JK Flip-Flop
In this animated object, learners examine the recommended procedure for troubleshooting a defective JK flip-flop using a logic pulser and probe.
Troubleshooting a Digital-to-Analog Converter
Learners read an explanation of how to troubleshoot a faulty digital-to-analog converter that has a shorted input.
Tri-State Buffer
Students observe the operation of a tri-state buffer used in digital electronics. A brief quiz completes the activity.
Transistor Fundamentals: The MOSFET
By Patrick Hoppe
Students read an introduction to the Metal Oxide Semiconductor Field Effect Transistor. They also examine its enhancement mode.
Transistor Fundamentals: Review of Logarithms
Students review logarithms as they pertain to electronics.
Transistor Fundamentals: Junction Field Effect Transistor (JFET)
Students read about the common characteristics of the Junction Field Effect Transistor. They also explore the schematic symbols and the basic operation of the JFET.
Transistor Fundamentals: JFET Drain Curves
Students examine the drain curves for a JFET. They are also introduced to vocabulary terms and formulas.
Transistor Fundamentals: JFET Amplifiers
Students read an explanation of the common-source and source-follower amplifiers. Gain formulas are developed and an example is given.
Transistor Fundamentals: Frequency Response Vocabulary
Students read the vocabulary associated with frequency response as it relates to an amplifier.
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.
Transistor Fundamentals: Emitter-Biased NPN Transistor
Students view a dc analysis of an emitter-biased NPN transistor.
Transistor Fundamentals: Decibel Gain, Power, and Voltage
Students read about decibel power gain and decibel voltage gain. Examples are given for each.
Transistor Fundamentals: Collector Saturation and Collector-Emitter Cutoff
Students read about the concepts of saturation and cutoff. They view diagrams that illustrate the interaction of the load line and the family of curves.
Transistor Fundamentals: Classes of Operation
Students read about the three main classes of amplifiers and view graphical representations of the collector current and circuit.
Transistor Fundamentals: Base-Biased NPN Transistor
Students view a dc analysis of a base-biased NPN transistor.