Learners view animations showing how to change the connections to cause a DC motor to reverse its rotation. A short quiz completes the activity.
Average Voltages of Pulsating DC Voltages
By Terry Bartelt
In this learning activity, learners will learn to calculate the average voltage produced by half-wave and full-wave rectifiers.
Identifying Engineering Notation
By Ron Wallberg
The learner will represent very large and very small numbers in engineering notation.
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.
Drill Press Parts
By Kelly Curran
In this learning activity you'll explore parts of the drill press.
Oscilloscope: DC Voltage Measurements
Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.
Students view a graphical explanation of how the motor condition (unloaded, 50 percent loaded, fully loaded) affects the phase between voltage and current, the current draw from the AC supply, the amount of power consumed, and the power factor.
Series RC Circuit Practice Problems
By James Bourassa, John Rosz
In this interactive object, students calculate capacitive reactance, phase angle, impedance, and power in series RC circuits.
The 12 Cranial Nerves
By Barbara Liang
In this interactive and animated object, learners read a description of the number, name, and function of the cranial nerves. A matching quiz completes the activity.
The Two-Neuron Knee-Jerk Reflex Arc
In this interactive object, learners examine the neuron pathway into and out of the spinal cord. They complete the activity by testing their knowledge of vocabulary and the location of spinal cord structures.
Identify these 25 neurological terms in a marathon game of Hangmoon!
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