Learners view a vector diagram for a series RL circuit. Information on the voltage across each component, the total voltage, and the phase angle is included.

Learners examine the complex number function to convert real and imaginary coefficients into a complex number.

In this animated activity, learners observe how pressure values throughout a hydraulic system are developed based on pump pressure and the size of the load.

In this interactive object, learners solve for total resistance, total current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

Students read about the three main classes of amplifiers and view graphical representations of the collector current and circuit.

In this animated object, learners see how a time proportioning operational amplifier varies an average DC voltage. A brief quiz completes the activity.

Students read an explanation of the operation of an operational amplifier that functions as a comparator.

In this animated object, learners examine the operation of a summing operational amplifier through formulas, tables, and animated illustrations. A brief quiz completes the activity.

Learners examine the fundamental operation of a difference operational amplifier. A brief quiz completes the activity.

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