Comparing Analog and Digital Signals
By Terry Bartelt
Learners compare animations of analog and digital data signals. A short quiz completes the activity.
BCD-to-Seven Segment Decoder
By Terry Bartelt, Terry Fleischman
Learners will understand how binary-coded decimal information is decoded and used to drive a seven-segment display.
Fundamentals of a DC Motor
Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short quiz completes the activity.
Relative Permeability
This learning activity presents information on how the type of material used for the core material of an inductor affects the inductors value in henries.
DC/AC I: Unit 10 Sample Exam
By Patrick Hoppe
Learners answer eight questions about capacitors. Help pages are available.
Oscilloscope Coupling Switch
Learners read a description of the function of the coupling switch on an oscilloscope and how its setting affects measurements of DC, AC, and combined voltages. A brief quiz completes the activity.
Op Amp Fundamentals: The Non-Inverting Amplifier
Students are introduced to the non-inverting amplifier configuration. The formulas for closed loop gain and bandwidth are shown, and an example is given.
Inductive Reactance Demonstration 1
Learners view video clips showing how coiled wire provides more resistance to AC current flow than uncoiled wire.
Transistor Fundamentals: Classes of Operation
Students read about the three main classes of amplifiers and view graphical representations of the collector current and circuit.
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.
Capacitive Reactance
Students read an introduction to capacitive reactance and view examples.
Voltage, Resistance, and Current Relationships
In this learning activity you'll explain how voltage and resistance in a series circuit affect current flow.
Characteristics of the TTL Series
Learners read the characteristics of the TTL series. Examples are given and subfamilies are compared.
Transistor Fundamentals: Review of Logarithms
Students review logarithms as they pertain to electronics.
The Reflected Load in a Transformer (Screencast)
Learners examine how the load resistance connected to the secondary coil of a transformer affects the primary current. A brief quiz completes the activity.
Series Inductance
In this learning activity you'll calculate the total inductance of a series circuit.
Frequency Dividers
In this learning activity you'll explore the operation of frequency division using several different types of counters.
True Power
Students read about the concept of true power and view examples of how it is dissipated as heat is provided.
Transistor Fundamentals: AC Coupling Capacitors
Students view the design and function of an ac model for a transistor circuit.
Transistor Fundamentals: AC Model Equations
Students view the equations used to determine the ac parameters of the transistor circuit.
Truth Tables (Screencast)
Instructions on how to use and construct a truth table for digital devices are provided.
Parallel Circuit Analysis Practice Problems: Circuit #9
In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.
Current Divider Rule Practice Problems
In this interactive object, learners review the CDR and work nine problems. Immediate feedback is given.
Kirchhoff's Current Law - Parallel Circuits
In this learning activity you'll explore Kirchhoff's Current Law and view examples of its application.
Full-Wave Rectifier
Students examine the full-wave rectifier. They review appropriate formulas and examples of actual circuits.