The Op Amp Integrator

By Terry Fleischman

The learner will understand the circuit configuration and operation of an integrator op amp.

Voltage Divider Rule (VDR)

By Terry Fleischman, Patrick Hoppe

Students review the Voltage Divider Rule and work practice problems.

The Torque of an Induction Motor

The learner will examine how torque is developed in an induction motor.

The Zener Diode: Practice Problems

By Patrick Hoppe

Students complete 10 practice problems. These deal with the determination of series current, zener current, and load current, and if the zener diode is operating in the breakdown region.

Total Resistance of a Series-Parallel Circuit: Practice Problems 2

By Terry Bartelt, Terry Fleischman

Learners work practice problems to calculate the total resistance of a circuit. Feedback is provided.

Voltmeter Circuit Connections

By Terry Bartelt

Students read a step-by-step approach on how to connect a voltmeter to a circuit when making a measurement.

BCD-to-Seven Segment Decoder

Learners will understand how binary-coded decimal information is decoded and used to drive a seven-segment display.

Phase Relationships Between Line-Neutral and Line-Line Voltages

By Michael Gradinjan, Terry Fleischman

Learners view a demonstration showing that line-neutral voltages and line-line voltages are not in-phase with each other, but have a definite 30-degree relationship.

Current Divider Rule (CDR)

Students review the Current Divider Rule (CDR) and work practice problems.

Analog Ammeter Operation

Students examine the procedure to measure current with an analog ammeter. The use of Function and Range switches is explored along with reading the needle position on the meter scale. A brief quiz completes the activity.

DC Current Flow Through a Parallel Circuit

Learners observe current flow throughout the series portion and branches of a parallel circuit. This animated activity includes calculations and a short quiz.

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.

The Vertical Portion of the Sine Wave

In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.

Series-Parallel Practice Problems Circuit 4

In this interactive object, learners work 12 problems dealing with dc circuit analysis.

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.

An Algorithm for Converting a Hexadecimal Number to a Decimal Number

By Kevin Ritzman

In this animated and interactive object, learners follow two methods for converting a hexadecimal number to a decimal number. They test their knowledge in exercises at the end of the learning object.

Transistor Fundamentals: Review of Logarithms

Students review logarithms as they pertain to electronics.

Excel: Spreadsheet Hints

Learners read how to create a spreadsheet to determine the voltage drop across a resistor in an AC circuit. The complex functions explained in other learning objects are used in this example.

Ignition System of a Combustion Engine

Students view the parts and movements of a combustion engine in this animated activity. Each part is described.

Power Factor: A Mechanical Work Analogy

By Roger Brown

Learners read an analogy comparing mechanical work (in this case, sliding a weight) to that of electrical power. The relationship of work, apparent work, and power factor is developed.

Time Proportioning Application

In this animated activity, students view the plastic pellets in a profile extrusion machine being melted as the temperature of the heating elements is elevated by a time proportioning control system.

Instantaneous Voltage Calculations of a Discharging RC Circuit (Using a TI-35X or a TI-36X Calculator)

In this animated object, learners view the keystrokes on a TI-35X/36X calculator that are required to solve for the instantaneous voltage of a discharging RC circuit.

Troubleshooting a Digital-to-Analog Converter

Learners read an explanation of how to troubleshoot a faulty digital-to-analog converter that has a shorted input.

The Frequency Generator: Miscellaneous Controls

Learners read a description of the DC offset function, the 50 ohm and 600 ohm output terminals, and the TTL/CMOS output terminal.

LED Flashing Circuit

In this animated and interactive object, learners study how a DC circuit, consisting of a diac, a capacitor, and two resistors, causes a light-emitting diode to turn on and off. A brief quiz completes the activity.