Learners explore the use of complex numbers through a series AC circuit analysis problem. The steps are compared to the graphical method of finding circuit impedance and the phase angle.

The learner will examine the basic characteristics of the operational amplifier integrated circuit and solve for Vout.

Students solve problems on the determination of total capacitive reactance of series-parallel capacitors.

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

Students read a description of the function generator and view a graphic that labels its parts.

Students read an explanation of power factor correction. Examples of both inductive and capacitive loads are given.

In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.

In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.

Learners examine the impedance matching capability of a transformer and how to select the proper turns ratio to achieve this function. A brief quiz completes the activity.

In this interactive object, students calculate capacitive reactance, impedance, current, and power in parallel RC circuits.

Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.

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.

Learners compare the experience of driving an auto to the circuit responses of RL (resistance/inductance) circuits and RC (resistance/capacitance) circuits. Acceleration, position, speed, and torque are graphed.

Students view the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous current of an energizing RL circuit.

Learners read an analogy comparing mechanical work (in this case, sliding a weight) to that of electrical power. The relationship of work, apparent work, and power factor is developed.

In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.

In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.

In this learning activity you'll read the procedures for using the vertical function of an oscilloscope and view illustrations of waveforms.

The learner will calculate input and output circuit resistance for the Inverting Op-Amp configuration.

In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.

Learners view a sample of the keystrokes from a TI-35X or 36X calculator that are required to solve for the instantaneous voltage of a charging RC circuit.

Students read an introduction to inductive reactance and view examples.

In this interactive object, learners examine how voltages and currents vary in a parallel LC circuit as the applied frequency changes.

Learners read a description of the DC offset function, the 50 ohm and 600 ohm output terminals, and the TTL/CMOS output terminal.

Students calculate current, phase angle, resistor voltage, inductor voltage, and power.