Parallel RC Circuit Practice Problems
By James Bourassa, John Rosz
In this interactive object, students calculate capacitive reactance, impedance, current, and power in parallel RC circuits.
Finding the Common Connection of an SPDT Switch
By Terry Bartelt
In this animated object, learners examine the procedure used to determine the types of terminals on a single-pole, double-throw switch.
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.
NOR Gates
In this learning activity you'll review the operation of a NOR gate by using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.
Logic Probes
In this animated activity, learners examine the fundamental operation of a logic probe that is used to detect logic signals in a digital circuit.
Kirchhoff's Voltage Law
By Patrick Hoppe
Students read a definition of Kirchhoff's Voltage Law and view examples of its use.
Transformer Action Demonstration
Learners view animations and video clips showing how power is transmitted from one energized coil to another.
Sine Wave Fundamentals: Practice Problem #2
In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.
Ohm's Law Practice Problems #4
Learners review Ohm's Law and 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.
Pulse Train Fundamentals: Practice Problem #3
In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.
Inverters
In this learning activity you'll describe the operation of a logic inverter using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.
Transistor Fundamentals: Review of Logarithms
Students review logarithms as they pertain to electronics.
Transformer Practice Problems
Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.
Pulse Train Fundamentals: Practice Problem #1
Impedance Matching
Learners examine the impedance matching capability of a transformer and how to select the proper turns ratio to achieve this function. A brief quiz completes the activity.
Power Factor Correction 1
Students read an explanation of power factor correction. Examples of both inductive and capacitive loads are given.
Rectifier Filtering
In this animated object, students observe how the pulsating DC output voltage of a full-wave rectifier is filtered by a capacitor.
Truth Tables (Screencast)
Instructions on how to use and construct a truth table for digital devices are provided.
The Solenoid
In this interactive lesson, students view the operation of a solenoid and read about its application. A brief assessment concludes the activity.
Parallel Circuit Analysis Practice Problems Part 2
In this interactive object, students work 11 practice problems and solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.
Inductor Series - Parallel: Practice Problems
Students complete 10 practice problems.
Boolean Theorems (Multivariable)
Students read the multivariable theorems and view the graphic depictions of the Boolean expressions.
The Triac
Learners study the fundamental operation of a triac, particularly how it is turned on and off. A brief quiz completes the activity.
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.
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.