Learners read an explanation of the RL time constant and examine the formula for calculating the instantaneous current value. The current is graphed as it climbs to maximum or drops to zero. Note* In the formulas in this module, the Greek letter epsilon should be the mathematical constant 'e'.

In this animated object, students examine the steps for wiring an electrical circuit from reading a schematic diagram.

Learners examine the animated Timer-On Delay instruction and the Timer-Off Delay instruction of a PLC timer. A brief quiz completes the activity.

In this animated activity, learners examine how a voltage is induced into a conductor when the conductor cuts across magnetic flux lines. They also view the four factors that determine how much voltage is generated. A brief quiz completes the learning object.

In this learning activity you'll practice converting from one metric unit to another.

Learners examine how the load resistance connected to the secondary coil of a transformer affects the primary current. A brief quiz completes the activity.

Learners view animations and video clips showing how power is transmitted from one energized coil to another.

Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.

In this animated object, learners examine how the sensory, motor, mixed, and reflex nerves work in the human body.

A game to help you remember your tap terms!

Quiz

Uranus [yoor-uh-nuh s] is the seventh planet from the Sun. It’s barely visible to the naked eye, and is the first planet discovered with the use of a telescope.

Match the meaning correctly