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Learners read a description of how an oscilloscope is used to measure the frequency of a sine wave.
Gear Ratio Concepts
By James Bourassa
In this animated object, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations. A quiz completes the activity.
Instantaneous Voltage Calculations of a Discharging RC Circuit (Using a TI-35X or a TI-36X Calculator)
By Terry Bartelt
In this animated object, learners view the keystrokes on a TI-35X/36X calculator that are required to solve for the instantaneous voltage of a discharging RC circuit.
Motor Control: Hands-on Testing and Troubleshooting Procedures for the Motor Control Lab
By Dick Dierks
Learners follow a step-by-step explanation of how to test fuses and circuit interrupting devices.
Ohmmeter Measurement Connections
Learners read a step-by-step approach on how to connect an ohmmeter when making measurements in this interactive lesson.
The Horizontal Portion of the Sine Wave
In this animated object, learners examine cycles, frequency, Hertz, wavelengths, and periods. A brief quiz completes the activity.
Voltmeter Circuit Connections
Students read a step-by-step approach on how to connect a voltmeter to a circuit when making a measurement.
Analog Ammeter Operation
Students examine the procedure to measure current with an analog ammeter. The use of Function and Range switches is explored along with reading the needle position on the meter scale. A brief quiz completes the activity.
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.
The Dial Caliper
By Barbara Anderegg
Learners review guidelines for the proper use of a dial caliper. Illustrations appear throughout the learning object.
Radio Frequency Propagation
You'll focus on how radio frequencies spread under different circumstances.
Radio Frequency Modulation
You'll learn some concepts related to radio frequency modulation.
You'll learn to identify antenna terms and concepts.
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