Voltage Drops in a Series Circuit

By Terry Bartelt

Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.

The Electrostatic Charge of a Capacitor

In this animated activity, learners examine the conversion of electrical energy into an electrostatic charge within the dielectric material of a capacitor.

Voltage Divider Rule (VDR)

By Terry Fleischman, Patrick Hoppe

Students review the Voltage Divider Rule and work practice problems.

Determining Hydraulic Cylinder Size

Students read how to calculate the size of a hydraulic cylinder that is required for a particular application. Mathematical formulas are provided.

Digital Terrain Model: Extrapolation of Elevations

By Steve Whitmoyer

Students read how to determine the elevation of an alignment or cross section where it crosses the TIN.

The Elementary AC Generator

Learners view animations showing the operation of the internal parts of an AC generator. A short quiz completes the activity.

Basic Logic Gates

By Terry Bartelt, Terry Fleischman

The learner will understand the operation of the six fundamental logic gates and the inverter by using truth tables, Boolean Algebra equations, switch analogies, and written statements.

Gear Ratio Concepts (Screencast)

By James Bourassa

In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.

The Current Divider Rule (CDR) with Complex Numbers

By Patrick Hoppe

Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.

How Adding Parallel Branches Decreases Total Resistance

In this animated object, learners follow an analogy of water flowing through pipes and valves to see how resistance decreases in a parallel circuit as branches are added.

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.

Kirchhoff's Voltage Law with Complex Numbers

Learners view a demonstration of Kirchhoff's Voltage Law using complex numbers for an ac circuit.

Digital-to-Analog Converters

In this animated activity, learners examine how an electronic converter changes digital signals to analog signals. Sections of a synthesizer are identified, and the operation of a D/A converter is demonstrated.

Resistor Color Code Practice

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

Ohm's Law Practice Problems #1

Learners review Ohm's Law and then work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and are asked to solve for the third.

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.

Pictorial Drawings

By Glenn Sokolowski

Learners examine pictorial drawings used in engineering including sectioned and exploded drawings. A sketching quiz is provided to help the learner create simple pictorial sketches by using orthographic views and an isometric template.

Transistor Fundamentals: Voltage-Divider Biased NPN Transistor

Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.

Abbreviations Representing Electrical Quantities

In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.

Proper Meter Placement

In this learning activity you'll read the steps for proper meter placement for the measurement of resistance, voltage, and current.

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.

Hydraulic Directional Control Valves

In this animated activity, learners examine the operation of hydraulic directional control valves and the internal components that divert the fluid.

Title Block Tolerances

Learners examine the use of the tolerances displayed in a title block by calculating the minimum and maximum allowable size of a fabricated part. In a brief quiz, students determine whether a part is usable or should be scrapped.

Ladder Logic Schematic Symbol Flashcards

By John Rosz, Terry Fleischman

This interactive object is designed to help learners memorize the schematic symbols used in ladder logic diagrams. Learners quiz themselves using electronic flashcards.

Op Amps 2: The Non-Inverting Amplifier

By Todd Van De Hey

The learner will describe the non-inverting op-amp configuration and calculate the circuit gain.