Methods of Producing Electricity
By Terry Bartelt
In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.
Selecting a Proper Single Phase Transformer
By Gary Lindell, Terry Bartelt
Students follow the steps that are required to select a transformer with the proper ratings. Voltage, frequency, current, and KVA are considered.
The Electrostatic Charge of a Capacitor
In this animated activity, learners examine the conversion of electrical energy into an electrostatic charge within the dielectric material of a capacitor.
Transfer Functions: The RC Low Pass Filter
By Patrick Hoppe
Students read how the transfer function for a RC low 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.
Proper Meter Placement
In this learning activity you'll read the steps for proper meter placement for the measurement of resistance, voltage, and current.
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.
Oscilloscope Phase Shift Measurements (Screencast)
In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.
Electrical Switches & Pushbuttons
In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.
In this animated activity, learners examine how an electronic converter changes digital signals to analog signals. Sections of a synthesizer are identified, and the operation of a D/A converter is demonstrated.
Thevenin Voltage: Practice Problems
Students work five practice problems to determine the Thevenin voltage of DC circuits.
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.
Op Amps 2: The Non-Inverting Amplifier
By Todd Van De Hey
The learner will describe the non-inverting op-amp configuration and calculate the circuit gain.
Transistor DC Analysis Practice Problems: Circuit #1
Learners analyze a base-biased npn transistor circuit. A "help" screen is available.
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.
Converting Values in Engineering Notation
By Ron Wallberg
The learner will convert various values to engineering notation.
An Inductor Opposing a Current Change
Learners read how an inductor opposes a current change when it begins to energize and when it begins to de-energize. A short quiz completes the activity.
Ohm's Law Practice Problems #1
Learners review Ohm's Law and then work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and are asked to solve for the third.
Series RL Circuit Vector and Circuit Analyzer
By James Bourassa, John Rosz
Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.
Ammeter Circuit Connections
In this animated activity, students view a step-by-step approach of how to connect an ammeter to a circuit. A brief quiz concludes the lesson.
Transistor Fundamentals: Voltage-Divider Biased NPN Transistor
Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.
Parallel RC Circuit Vector and Circuit Analyzer
Students read an introduction to transformers that includes schematic symbols, turns ratios, mutual inductance, and the coefficient of coupling.
Hexadecimal Numbering System
In this learning activity you'll review the hexadecimal numbering system.
Students follow step-by-step directions on how to make mathematical calculations for a Wheatstone bridge.
The Magnetic Circuit
Learners compare electromagnetic quantities with the voltage, current, and resistance quantities of an electrical circuit. A brief quiz completes the object.