Basic DC Electrical Motor Construction
By Terry Bartelt
Learners examine the internal parts of a DC electrical motor and then text their knowledge in a drag-and-drop exercise.
Basic Logic Gates
By Terry Bartelt, Terry Fleischman
The learner will understand the operation of the six fundamental logic gates and the inverter by using truth tables, Boolean Algebra equations, switch analogies, and written statements.
Batteries
By Patrick Hoppe
Learners are introduced to primary and secondary batteries. Examples are given.
BCD-to-Seven Segment Decoder
Learners will understand how binary-coded decimal information is decoded and used to drive a seven-segment display.
Binary to Decimal Number Conversion
In this learning activity you'll practice calculating the between the binary number system and the decimal number system.
Bipolar Junction Transistor Vocabulary
Students read the terms associated with the Bipolar Junction Transistor (BJT) . They also view formulas for dc current and voltage.
Boolean Theorems (Multivariable)
Students read the multivariable theorems and view the graphic depictions of the Boolean expressions.
Boolean Theorems (Single Variable)
Students analyze the eight single variable Boolean theorems and their expressions.
Building a Binary Counter with a JK Flip-Flop
In this animated activity, learners examine the construction of a binary counter using a JK flip-flop. The ability of the JK flip-flop to "toggle" Q is also viewed.
Calculating DC Values of a Transistor Amplifier
In this animated activity, learners view the seven steps that are used to calculate voltage and current values throughout a common-emitter transistor amplifier.
Capacitive Reactance
Students read an introduction to capacitive reactance and view examples.
Capacitive Reactance Practice Problems
Students solve problems on the determination of total capacitive reactance of series-parallel capacitors.
Capacitor Values (Screencast)
In this screencast, learners examine the physical facets that determine the value of a capacitor.
Capacitor/Inductor: An Auto Analogy
By Roger Brown
Learners compare the experience of driving an auto to the circuit responses of RL (resistance/inductance) circuits and RC (resistance/capacitance) circuits. Acceleration, position, speed, and torque are graphed.
Capacitors
In this animated object, learners examine the basics of capacitance and capacitors.
Capacitors Series - Parallel: Practice Problems
Students complete 10 practice problems.
Capacitors: What's Inside?
Learners examine the properties that determine capacitance.
Cascading Magnitude Comparators
Learners read an explanation of how to connect two 7485 ICs to compare binary numbers by creating an 8-bit comparator. Diagrams and charts are presented.
Characteristics of the TTL Series
Learners read the characteristics of the TTL series. Examples are given and subfamilies are compared.
Charging Time Constants of an RC Circuit (Screencast)
In this animated object, students view an explanation of how current, voltage, and the charge on a capacitor of a series RC circuit change during five time constants. A short quiz completes the activity.
Circuit Protection
In this learning activity you'll explore how a fuse de-energizes a parallel circuit when too many lamps are connected to a power outlet.
Clock Pulse Triggering of Flip-Flops (Screencast)
This screencast shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.
Comparing Analog and Digital Signals
Learners compare animations of analog and digital data signals. A short quiz completes the activity.
Complex Numbers: So What's All the Fuss About?
Learners explore the use of complex numbers through a series AC circuit analysis problem. The steps are compared to the graphical method of finding circuit impedance and the phase angle.
Complex Power
The student studies the method to calculate complex power where the Vrms of a circuit is multiplied by the complex conjugate of the total circuit current. Several examples are given, along with the power triangle.