Using a memory shortcut for calculations, the learner determines line and phase values of current in a three-phase AC configuration. Practice problems complete the activity.

Learners view the steps for testing a capacitor with an analog ohmmeter. A brief quiz completes the object.

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

Students view several examples of how to determine the total impedance of a series circuit. The "j" term is used in all of the calculations.

In this animated object, learners study how displacement level sensors are used to measure the level of liquid in a tank.

In this animated object, learners observe the operation of a J thermocouple with a cold junction. A table is used to convert the voltage it produces to a corresponding temperature. A brief quiz completes the activity.

In this animated learning object, learners examine how an ultrasonic flowmeter measures the flow of liquids through a pipe using ultrasonic sound waves. A short quiz completes the activity.

Learners study the method of using more than one track and quadrature modes to improve the resolution of an optical encoder. A brief quiz completes the activity.

In this animated activity, learners examine the operation of an ultrasonic sensor and the procedure to perform zero and span adjustments. A brief quiz completes the object.

Among the given options, SELECT the correct answer for each item.

Select the correct answer from the given options. Don't forget to think of the rules in converting direct speech to reported speech before clicking. Beuna suerte :D

Turn the next few sentences into indirect speech.