Humidity Measurements

By Terry Bartelt

Learners examine dew point and the two types of humidity values, absolute and relative, along with the types of instruments used to measure them. The activity includes a video clip and a quiz.

Quick-Return Mechanism Velocity Calculations

By James Bourassa, John Rosz

In this animated and interactive object, learners calculate the maximum velocity of the work stroke and the return stroke.

Mechanical Advantage (Screencast)

Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.

Industrial Control Classifications

In this animated object, learners examine automated manufacturing systems classified as motion control, batch process control, and continuous process control.

Inductive Reactance Practice Problems

By Patrick Hoppe

Students solve problems on the determination of total inductive reactance of series-parallel inductors.

Capacitive Reactance Practice Problems

Students solve problems on the determination of total capacitive reactance of series-parallel capacitors.

RC Time Constant

By Tim Tewalt, Patrick Hoppe

In this animated object, learners observe the voltage on a capacitor at various time constants when it either charges or discharges. Students then answer questions in the categories of Identify, Compare, and Compute.

Series Inductance

In this learning activity you'll calculate the total inductance of a series circuit.

Inductors in Parallel

Learners examine the process for determining the total inductance of a parallel circuit. They then complete practice problems.

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.

Series Capacitance

Students view the steps for determining the total capacitance for a series circuit. They then work practice problems.

Calculating Belt Length (Screencast)

By James Bourassa

In this screencast, learners follow steps to determine the proper starting belt length for a timing, flat, or v-belt drive.

Rotating Vector Representation of the Sine Function

The learner will be able to represent steady-state AC sinusoidal signals using phasors, which will lead to a simplified technique of analyzing AC circuits in a very similar way that we analyze DC circuits.

Electrical Generator Basics

In this animated activity, learners examine how a voltage is induced into a conductor when the conductor cuts across magnetic flux lines. They also view the four factors that determine how much voltage is generated. A brief quiz completes the learning object.

Electromagnets

Learners examine how an electromagnet is formed. Animated illustrations show current running through a coil wrapped around an iron core.

Noninverting Op Amp

In this animated object, learners examine the fundamental operation of a noninverting operational amplifier. A brief quiz completes the activity.

RL Time Constant

Learners read an explanation of the RL time constant and examine the formula for calculating the instantaneous current value. The current is graphed as it climbs to maximum or drops to zero. Note* In the formulas in this module, the Greek letter epsilon should be the mathematical constant 'e'.

Parallel Capacitance: Practice Problems

Learners solve six problems determining the total capacitance of a parallel circuit. Immediate feedback is provided.

Voltage Divider Rule Practice Problems

Learners review the VDR and work six problems. Immediate feedback is given.

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.

Resistor Color Code Practice

In this learning activity you'll build a resistor's color code based on the bands.

Resistor Color Code Description

In this interactive activity, students read about the colored stripes on a resistor and interpret the placement of those colors to determine the value of four-band resistors.

Metric Micrometer

By scott vanhulle

The learner will measure and record dimensions using a metric micrometer to an accuracy of plus or minus .01 of a millimeter.