In this animated object, learners examine the relationship between pressure and temperature in an air conditioning system.

In this interactive and animated object, learners examine Midtronics hand-held battery and charging system testers and view the operation of these testers in an automotive repair facility.

In this interactive and animated object, learners examine the SUN VAT-40 battery starting and charging system tester. This learning object demonstrates the use of the tester in diagnosing conventional 12-volt automotive charging systems. It contains audio.

Learners review Ohm's Law and then work 12 problems to help them apply the law to automotive electrical systems. 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.

Learners review Ohm's Law and then work 12 problems to help them apply the law to automotive electrical systems. 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.

Learners review Ohm's Law and then work 12 problems to help them apply the law to automotive electrical systems. 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.

In this animated object, learners examine how the way in which a rheostat is connected in series with other resistors causes current and voltage to change as the resistance is varied.

In this animated lesson, students view the operation of an electromechanical relay. A brief quiz concludes the activity.

In this highly interactive and animated object, learners examine the VAT-40 battery starting and charging system tester and study how the tester is used to diagnose vehicle starting system problems. This object has audio.

Students determine what happens to current flow in a series circuit when the resistance is changed. A brief quiz concludes the activity.

In this animated activity, students view a step-by-step approach for how to connect an ammeter to a circuit. A brief quiz concludes the lesson.

In this animated activity, students read about the two general types of variable resistors: potentiometers and rheostats. A brief quiz completes the learning object.

This presentation will aid beginning students in correctly using a DVOM. It will give them informatin on symbols and basic hook-up information.

Learners examine the relationship of voltage, current, and resistance as it applies to vehicle electrical systems.

Students read a definition of Kirchhoff's Voltage Law and view examples of its use.

Learners examine the current and voltage changes in a series-parallel circuit as the resistance value of a rheostat is varied. Illustrations and calculations are included.

Learners read a detailed description of the VAT-40 tester and practice using it in an interactive exercise.

School or work stressing you out? Never feel like there are enough hours in the day? Improve your time management skills and get more time back for you.

In this animated activity, learners examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.

Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.