Pressure Measurements in Inches of Water Column

By Terry Bartelt

Learners read how inches of water column is used as a unit of pressure measurement. Practical applications and a conversion formula to psi are included.

Total Resistance in a Parallel Circuit

The learner will apply the three formulas used to find the total resistance of three types of parallel resistor circuit configurations.

The Transfer Functions: RC Low-Pass Filter with a Bode Plot

By Patrick Hoppe

Students read how the transfer function is developed for an RC low-pass filter. A straight line Bode plot is drawn through close approximations.

The Basic Operation of a Diode

In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.

AC Current Flow

In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.

Opens and Shorts in a Parallel Circuit

Learners examine the changes in current and voltage values in a parallel circuit when open and short conditions develop. Ohm's Law calculations are shown, and a brief quiz completes the activity.

Presetting and Clearing a Flip-Flop

In this animated activity, learners view how to clear and preset a flip-flop to store a logic 0 or a logic 1.

Total Impedance of a Parallel Circuit Using Complex Numbers

Students read how to determine the total impedance of a parallel circuit using complex numbers. The "J" term is used in the calculations.

Oscilloscope: DC Voltage Measurements

Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.

Building a Binary Counter with a JK Flip-Flop

In this animated activity, learners examine the construction of a binary counter using a JK flip-flop. The ability of the JK flip-flop to "toggle" Q is also viewed.

Karnaugh Maps

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

P&ID Tag Numbers

Learners study the types of information letters and numbers placed inside general piping and instrumentation diagram symbols.

Medical vs. Nursing Diagnoses

By Diane Cozzi

In this interactive and animated object, learners classify a number of diagnoses by shooting a soccer ball into goals marked "Medical" and "Nursing."

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.

Positions Used in Medical Examinations

By Candy Dailey

In this interactive object, students view the various positions used during medical examinations. They then match the names of the positions with the correct images and with their descriptions.

Fundamentals of a DC Motor

Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short quiz completes the activity.

The DC Shunt Motor

Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.

Psychotropic Medications and Neurotransmitters

By Lucie Cutler

In this animated object, learners examine how psychotropic medications act on neurotransmitter systems to achieve their desired effect.

Ohm's Law: The Relationship of Voltage, Current, and Resistance

In this interactive object, learners vary the value of the resistance to see how it affects current. Example problems are included.

Total Power Calculations in a Series Circuit

In this learning activity you'll review the various ways to calculate the total power consumed in a series circuit.

Normally Open vs. Normally Closed Pressure Control Valves

In this animated activity, learners examine the operation of normally open and normally closed valves used in hydraulics. A brief quiz completes the learning object.

Simple Pneumatic Circuits

Learners examine the operation of five pneumatic animated circuits that use directional control valves, pilot lines, check valves, needle valves, and cylinders.

Excel: Converting Radians to Degrees

Students read how to use the DEGREES() function to convert radians to degrees.

Sectional Views

By Glenn Sokolowski

In this interactive object, learners examine sectional views used in engineering drawings. The sections shown are full, half, offset, aligned, revolved, and broken-out. Learners match drawings of sectional views with the names of the views.

Biomolecules: The Proteins (Video)

By Becky Polk-Pohlman

Explore what proteins are, their structure, and their functions.