Voltage Divider Rule Practice Problems

By Patrick Hoppe

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

Proportional Control Amplifier

By Terry Bartelt

Learners examine the operation of a proportional control amplifier and the two ways that it is programmed using proportional gain or proportional band. A brief quiz completes the activity.

Sine Wave Fundamentals

Learners examine the characteristics of a sine wave and the various ways to describe it including Vp, Vp-p, Vrms, Vavg, and frequency.

Electrical Units, Abbreviations, and Symbols

In this learning activity you'll read introduction to electrical quantities, units, and symbols and test their knowledge in a matching exercise.

Wheatstone Bridge

Students follow step-by-step directions on how to make mathematical calculations for a Wheatstone bridge.

Oscilloscope Phase Shift Measurements

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

The Feed-Forward Control System

In this animated object, learners examine the operation of a feed-forward control system and its advantages over a closed-loop system. A brief quiz completes the activity.

Capacitor Values

In this interactive object, learners examine the physical facets that determine the value of a capacitor. A brief quiz completes the activity.

Parallel Circuit Analysis Practice Problems Part 2

In this interactive object, students work 11 practice problems and solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

Humidity Measurements

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.

Excel: Entering a Formula

In this animated learning object, users view the process of entering a formula in an Excel spreadsheet. Several different methods and associated examples are given.

Total Resistance in a DC Parallel Circuit

In this learning activity you'll determine the total resistance in a DC parallel circuit.

The Mathematical Expression of an AC Sine Wave As a Function of Time: Practice Problems

Students view the mathematical expression of a sinusoidal waveform with respect to time (t) and solve five problems. The answers are provided so students may check their work.

Parallel Circuit Analysis Practice Problems: Circuit #6

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

GD&T - The Feature Control Frame

By Glenn Sokolowski

In this interactive object, learners examine geometric characteristic symbols, tolerances, datum feature symbols, and other control frame information. A brief quiz completes the activity.

Sine Wave Fundamentals: Practice Problem #5

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.

Parallel Circuit Analysis Practice Problems: Circuit #3

Series-Parallel Circuit Analysis Practice Problems: Circuit 8

Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.

Series-Parallel Circuit Analysis Practice Problems: Circuit 3

In this interactive object, learners solve a series-parallel DC circuit analysis problem. Immediate step-by-step feedback is given.

Electrical Switches & Pushbuttons

In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.

The Timing Functions of Optical Sensors

In this animated object, learners examine the switch settings for the on-delay, off-delay, and one-shot timing functions of an optical sensor. A brief quiz completes the activity.

Parallel Circuit Analysis Practice Problems: Circuit #8

The Magnetic Circuit

Learners compare electromagnetic quantities with the voltage, current, and resistance quantities of an electrical circuit. A brief quiz completes the object.

Capacitors Series - Parallel: Practice Problems

Students complete 10 practice problems.

Wattmeters

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.