Students read about the ideal versions of the four common filters (low-pass, high-pass, bandpass, and notch), and view graphical representations of the filters' frequency characteristics.

In this screencast, learners follow steps to determine the proper starting belt length for a timing, flat, or v-belt drive.

In this interactive object, learners read the common abbreviations used in engineering drawings and then test their knowledge in three short exercises.

This animated lesson an exercise that enables students to design a ladder logic circuit using a drag-drop function to cause the cylinder of a hydraulic circuit to extend and retract.

A use of the CreateJS JavaScript Library to perform a looping animation.

Students solve six problems for series impedance using complex numbers. Immediate feedback is given.

Students work six practice problems to determine the total impedance of a parallel circuit.

Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.

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.

A crossword of video game names

Test your knowledge on Logic Gates.

NSTMs - Naval Systems

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