Oscilloscope AC Voltage Measurements
By Terry Bartelt
In this animated learning object, students view the operation of an oscilloscope that is used to measure AC voltages. A brief quiz completes the activity.
Testing an On/Off Switch
In this learning activity you'll review methods for testing an on/off switch with an ohmmeter and a voltmeter.
The PLC Examine-Off Instruction
In this animated object, learners examine the operation and programming requirements of a PLC Examine-Off instruction. A brief quiz completes the activity.
Op Amp Fundamentals: The Inverting Amplifier
By Patrick Hoppe
The inverting amplifier configuration is presented. The closed loop voltage gain and the closed loop bandwidth formulas are explained, along with the concept of negative feedback.
This primer introduces the student to the half-wave rectifier. Both the 1st and 2nd approximations are examined.
Sine Wave Fundamentals: Practice Problem #4
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.
Series Circuit Analysis Practice Problems: Circuit #10
In this interactive object, learners solve for total resistance, total current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.
Series Inductance: Practice Problems
Students work nine practice problems to determine total series inductance. Immediate feedback is given.
Learners examine the function of the analog wattmeter to measure true power, how it is connected in a circuit, and how the internal components develop a measurement. A brief quiz completes the activity.
Lathe Project: O. D. Threading
By Kelly Curran
This project gives a drawing with steps to complete the activity.
Lathe Project: Alternate Thread Forms - Left Hand Threads
Transistor Fundamentals: JFET Amplifiers
Students read an explanation of the common-source and source-follower amplifiers. Gain formulas are developed and an example is given.
Print Reading: Holder
Learners test their ability to visualize a holder in this interactive exercise that features animated pictorial views.
DC/AC I: Unit 5 Sample Exam
Learners answer 14 questions about series-parallel DC circuits.
Parallel DC Circuit Analysis
The approach to dc circuit analysis is presented to the learner. The approach is demonstrated for the student.
Lathe Project: Turning Between Centers
By Thaddeus Hetzer
Learners read work instructions and view a drawing for turning between centers on a lathe.
Power Calculations in a Series/Parallel Circuit
In this learning activity you'll explore various ways to calculate the power consumed in a series/parallel circuit.
Time Proportioning Application
In this animated activity, students view the plastic pellets in a profile extrusion machine being melted as the temperature of the heating elements is elevated by a time proportioning control system.
By Barbara Anderegg
Learners review surface finish basics and read how to calculate the roughness average.
Capacitors Series - Parallel: Practice Problems
Students complete 10 practice problems.
The TI-83 Plus Calculator: The Square Root Function
Learners follow step-by-step instructions for calculating the square root of a number using the TI-83 Plus scientific calculator. Steps for determining impedance are also shown.
Power Law: The Relationship of Voltage, Current, and Watts
Learners examine three formulas than can be used to find dc power. Examples are given.
Kirchhoff's Voltage Law
Students read a definition of Kirchhoff's Voltage Law and view examples of its use.
The 7493 IC Binary Counter
In this interactive and animated object, learners examine the construction of a 7493 IC as mod-2 and mod-8 up-counters. They view how this binary counter can be modified to operate at different modulus counts. A quiz completes the activity.
Total Impedance of a Series Circuit Using Complex Numbers
Students view several examples of how to determine the total impedance of a series circuit. The "j" term is used in all of the calculations.