Transistor AC Analysis Practice Problem: Circuit #4
By Patrick Hoppe
The learner solves for Zin(base), Zin(stage), Zout, and Av. A "help" screen is available.
Presetting and Clearing a Flip-Flop
By Terry Bartelt
In this animated activity, learners view how to clear and preset a flip-flop to store a logic 0 or a logic 1.
Logic Probes
In this animated activity, learners examine the fundamental operation of a logic probe that is used to detect logic signals in a digital circuit.
Top Bender - Operator's Control Panel
By Dave Hoffman
Learners are asked to program the Top Bender following the same steps they would if working on the actual control panel.
Photoelectric Reciprocation Circuits
This animated lesson shows how a photoelectric sensor, connected to a ladder circuit, causes the cylinder of a hydraulic circuit to extend and retract.
Data Compare Instructions
In this animated object, learners examine three data compare instructions used by programmable logic controllers (PLCs). A practical application to show how these instructions are used in an industrial setting is provided.
Transistor Fundamentals: Junction Field Effect Transistor (JFET)
Students read about the common characteristics of the Junction Field Effect Transistor. They also explore the schematic symbols and the basic operation of the JFET.
Overview of the Bridgeport Milling Machine
By Erich Krowas
In this video, we’ll identify the parts that make up the Bridgeport and learn how it works.
Lathe Safety
By Kelly Curran
In this document you'll review lathe safety rules.
Preparing Thread Cutting Tools
This document is a visual and text description of preparing thread cutting tools, primarily used on a lathe.
Calculating Turning Speeds & Feeds
This document is a visual and text description of Calculating Turning Speeds & Feeds on a lathe.
Lathe Cutting Speeds - RPM Calculations
This document is a visual and text description of lathe cutting speeds and RPM calculations.
Screw Threads and Fasteners Review
This review assesses the student's ability to understand screw threads and fasteners.
Op Amps 4: The Op Amp Buffer
By Todd Van De Hey
Understand the op-amp buffer configuration and calculate basic circuit impedance.
Energizing Time Constants of an RL Circuit
In this animated object, students view an explanation of how current, voltage, and the magnetic field strength of a series RL circuit change during five time constants. A brief quiz completes the activity.
Surface Texture Symbols
By Glenn Sokolowski
Learners examine the symbols and values that control surface roughness, waviness, and lay. A brief quiz completes the object.
Transformer Action Demonstration
Learners view animations and video clips showing how power is transmitted from one energized coil to another.
Pulse Train Fundamentals: Practice Problem #4
In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.
The Reynolds Number
In this animated learning object, users study the factors that affect a pipe’s fluid flow and how those factors pertain to a numerical value (the Reynolds Number).
Torque Sequence of Two Mating Surfaces
By James Bourassa
In this interactive object, learners demonstrate the proper tightening sequence for mechanically joining two mating surfaces.
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.
Capacitors: What's Inside?
Learners examine the properties that determine capacitance.
Hydraulic Mechanical Force
This animated lesson shows how to calculate the amount of force generated by hydraulic cylinders.
Counterelectromotive Force
Learners study how a DC motor generates counterelectromotive force. A short quiz completes the object.
The Solenoid
In this interactive lesson, students view the operation of a solenoid and read about its application. A brief assessment concludes the activity.