In this animated activity, learners examine the operation of normally open and normally closed valves used in hydraulics. A brief quiz completes the learning object.

In this animated object, learners examine the signals produced at the N.O. (normally open) and N.C. (normally closed) outputs of sourcing and sinking four-wire sensors. A brief quiz completes the activity.

Learners examine the changes in current and voltage values in a parallel circuit when open and short conditions develop. Ohm's Law calculations are shown, and a brief quiz completes the activity.

Learners identify five common types of open wounds: abrasions, avulsions, incisions, lacerations, and puncture wounds.

In this screencast, students examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object. You may also be interested in AMT2404 Electrical Opens and Shorts

In this animated object, learners observe the changes inside the DC shunt motor that could cause the motor to break apart when its field coil opens. A short quiz completes the activity.

In this learning activity you'll review how an open in a series circuit affects current.

Learners watch a short video showing the correct procedure for police officers to follow when making a non-approach vehicle contact.

In this animated object, learners view the operation of an open-collector inverter with and without a pull-up resistor.

Students read an introduction to the electronic workbench and view a demonstration of how to open a file for circuit simulation.

Learners watch a short video showing the correct procedure for police officers to follow when making contact with a high-risk vehicle.

Learners examine how a ladder logic circuit becomes latched when a normally open pushbutton is momentarily pressed.

Learners will identify ladder logic diagrams and the logic functions they perform.

In this learning activity you'll write a description of a can opener.

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

Learners watch a short video demonstrating the correct procedure for police officers to follow when approaching a motorist after stopping a vehicle.

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

In this animated object, learners examine the basic types of limit switches and how they are used.

In this activity we will learn how vulnerable websites are open to cross site-scripting attacks (XSS).

Explore how to use an evidence bag including how to open it, place items inside, and seal it for the crime lab.