## Products of ETCAI Products

#### Trigonometry Challenge 5.1ETCAI Products

Education \ Miscellaneous

Trigonometry Challenge is designed to help students learn to do calculations related to right triangles and sine waves. Solutions to oblique triangles using the Law of Sines and the Law of Cosines are includes. This program is also useful to teach trigonometric concepts required in the study of AC circuit analysis. . Free download of Trigonometry Challenge 5.1, size 3.31 Mb.

#### Op Amp Challenge 5.1ETCAI Products

Education \ Miscellaneous

Op Amp Challenge is designed to supplement your classroom and textbook instruction on operational amplifiers. The program includes activities related to followers, comparators, I to V converters, inverting amplifiers, non-inverting amplifiers, summing amplifiers, difference amplifiers, operational amplifier characteristics, troubleshooting,. Free download of Op Amp Challenge 5.1, size 3.08 Mb.

#### Ohmmeter Challenge 5.1.0.555ETCAI Products

Utilities

Ohmmeter Challenge is designed to help you teach students to analyze wiring and troubleshoot circuits using digital ohmmeters. Activities teach students to find shorted and open circuits in wiring. Troubleshooting circuits consisting of wiring, resistors, lamps, relays, coils, diodes, switches and PC boards are included. Each activity consists of. Free download of Ohmmeter Challenge 5.1.0.555, size 3.20 Mb.

#### AC Circuits Challenge 5 1ETCAI Products

Utilities

This interactive computer program consists of several circuit analysis activities. Realistic troubleshooting activities are also included involving resistors, capacitors, inductors and transformers. AC Circuits Challenge consists of a set of fourteen activities to assist instruction of AC circuit analysis and troubleshooting.. Free download of AC Circuits Challenge 5 1, size 3.24 Mb.

#### Power Supply Challenge 5.1.0.35ETCAI Products

Utilities

This program provides realistic troubleshooting activities of almost unlimited variety on DC Power Supplies. Students can practice or test on troubleshooting half-wave, full-wave, and bridge type power supply circuits using either a voltmeter or oscilloscope.. Free download of Power Supply Challenge 5.1.0.35, size 2.84 Mb.

#### Basic Circuits Challenge 5.1.0.45ETCAI Products

Basic Circuits Challenge consists of a set of fifteen activities to help you teach basic electrical concepts. Exercise Titles: Electric Ideas, Electrical Components, Powers of Ten, Color Codes, Ohm&rsquo;s Law One, Ohm&rsquo;s Law Two, Power One, Power Two, Series Voltage Sources, Series Circuits One, Series Circuits Two, Parallel Circuits. Free download of Basic Circuits Challenge 5.1.0.45, size 3.60 Mb.

#### DC Circuits Challenge 5 1ETCAI Products

Education \ Miscellaneous

This interactive computer program consists of several circuit analysis activities. Realistic troubleshooting activities are also included involving resistors, capacitors, inductors and transformers. DC Circuits Challenge V5 consists of a set of fourteen activities to assist instruction of DC circuit analysis and troubleshooting.. Free download of DC Circuits Challenge 5 1, size 3.25 Mb.

#### Digital Challenge 5.1.0.33ETCAI Products

Utilities

Digital Challenge consists of twelve activities to assist teaching basic digital circuit concepts. Virtual breadboarding of simple digital circuits is included. Exercise Topics: Binary Counting, Octal Counting, Hexadecimal. Free download of Digital Challenge 5.1.0.33, size 3.53 Mb.

#### Voltmeter Challenge 5.1.0.34ETCAI Products

Utilities

Voltmeter Challenge is an easy-to-use yet powerful tool designed to help you teach students to analyze wiring and troubleshoot circuits using digital voltmeters. Troubleshooting circuits consists of wiring, resistors, lamps, relays, coils, diodes, switches and PC boards.. Free download of Voltmeter Challenge 5.1.0.34, size 3.25 Mb.

#### Solid State Challenge 5.1.0.55ETCAI Products

Utilities

Solid-State Challenge consists of twelve activities to assist in teaching basic solid-state circuit concepts and troubleshooting. Exercise Titles: Basic Diode Testing, Basic Transistor Testing, Common Emitter Amplifiers One (Base Bias), Common Emitter Amplifiers Two( Voltage Divider Bias), Common Emitter Amplifiers Three ( with Emitter. Free download of Solid State Challenge 5.1.0.55, size 2.99 Mb.