Learners use the National Electrical Code to determine the size of a motor overload protection device.
Interpreting the Resistor Color Code
By Terry Bartelt
Students examine how to interpret resistor color code bands to determine resistance values and tolerance ranges. This interactive learning object has audio content and includes exercises.
Power Law Practice Problems #3
By Patrick Hoppe
Learners review the three formulas for power and work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and asked to solve for power. Immediate feedback is provided.
The Frequency of an AC Generator
By Walter Hedges, Terry Bartelt
Learners study the factors that determine the frequency of an AC generator, such as the rotational speed of the armature or the number of stator poles.
Measuring Current in a Parallel Circuit
In this interactive learning object, students view the ammeter connections for measuring currents in a parallel circuit with three branches on an energy concepts lab board. A brief quiz completes the activity.
Calculating Horsepower, RPM, and Torque
By James Bourassa, John Rosz
In this animated and interactive object, learners examine the formula for horsepower and work practice problems.
RPM of AC Motors
Learners study factors that affect the synchronous speed of an AC motor: the applied AC frequency and the number of stator poles.
The DC Shunt Motor
Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.
Motor Control Circuits
Learners examine an electric motor control circuit that uses a motor starter module. This activity has audio content.
High-Low Speed Drive Adjustments
Learners examine the circuitry in a DC variable speed drive that prevents the motor from running at 0 rpm or at maximum speed under certain conditions.
Identify these 25 neurological terms in a marathon game of Hangmoon!
SmartPhones and Relationships
Are you connected to your phone? We all know how convenient they have become. Nearly all of our tasks from banking, shopping, working, and learning can be done using our device. If we aren't careful, our relationships can suffer. How much do you know about SmartPhones and Relationships?
Literary Devices Part 1
Names and definition practice for literary devices
Creative Commons Attribution-NonCommercial 4.0 International License.
Learn more about the license »