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

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 follow a step-by-step approach for connecting a digital multimeter to measure resistance. A brief quiz completes the activity.

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.

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

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

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.

The learner will examine different adapters and componants used with brake lathes when resurfacing brake drums and rotors.

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

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 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.

The learner follows a step-by-step procedure for testing a computer ground circuit.

Learners examine the proper way to set up standard and metric micrometers to measure the wear on a brake drum.

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

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.

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

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 interactive and animated activity, students follow the steps for proper digital multimeter placement for resistance, voltage, and current.

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

In this interactive object, learners adjust the caster of a vehicle to control its directional stability.

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 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.

Students view step-by-step instructions for testing cylinder pressure.

The learner examines various methods of testing antifreeze. This object has audio content.

In this interactive and animated object, learners practice testing a diode. They determine if a diode is good, open, or shorted.