Learners study the operation of capacitive probe sensors used to measure levels in a tank.
By Terry Bartelt
In this animated and interactive object, learners examine how a variable voltage is obtained from a variable resistor that is wired as a potentiometer across a fixed DC power supply.
Functions of Hydraulic Oil
Learners observe the four functions of oil in a hydraulic system.
Learners study animation showing the operation of an AC wound-rotor motor with its external starting resistors. A short quiz completes the activity.
In this animated object, students examine the concept of wattage dissipation and the three Watt's Law formulas.
Measuring Length in the Metric System
By Nabila Dahche
In this learning activity you'll explore how units in the metric system are related to each other and practice locating measurements on a metric line.
How to Convert from One Unit to Another in the Metric System
In this learning activity you'll practice converting from one metric unit to another.
Oscilloscope: DC Voltage Measurements
Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.
Oscilloscope Frequency Measurements
Learners read a description of how an oscilloscope is used to measure the frequency of a sine wave.
Oscilloscope Phase Shift Measurements
In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.
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