In this animated object, learners examine how the way in which a rheostat is connected in series with other resistors causes current and voltage to change as the resistance is varied. A brief quiz completes the activity.

Learners compare electromagnetic quantities with the voltage, current, and resistance quantities of an electrical circuit. A brief quiz completes the object.

Learners read how an inductor opposes a current change when it begins to energize and when it begins to de-energize. A short quiz completes the activity.

In this animated lesson, students read an analogy comparing water in a "special" water tank to the current "flow" through a capacitor.

In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.

The learner will describe the non-inverting op-amp configuration and calculate the circuit gain.

Students read how the transfer function for a RC low pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.

Students read an introduction to the transconductance amplifier. They also view formulas for voltage-to-current conversion, closed-loop input, and output impedance. An example of how R1 controls the conversion factor is given.

Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.

Learners follow step-by-step instructions for calculating the square root of a number using the TI-83 Plus scientific calculator. Steps for determining impedance are also shown.

Learners examine the Karnaugh map for a three-variable system. Several examples are given.

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

Learners follow the steps for reducing all of the elements of a complex circuit to a single current source and a single source resistance to create a simple circuit. Several examples are given for dc circuits. The conversion between Thevenin and Norton is also presented.

The learner will convert various values to engineering notation.

Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

In this learning activity you'll explore various ways to calculate the power consumed in a series/parallel circuit.

In this animated activity, students view a step-by-step approach of how to connect an ammeter to a circuit. A brief quiz concludes the lesson.

Students complete 10 practice problems.

In this teaching and learning aid, the user can alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.

In this animated object, learners examine how current, voltage and the discharging capacitor of a series RC changes during 5 time constants. A brief quiz completes the activity.

In this interactive activity, students read about the colored stripes on a resistor and interpret the placement of those colors to determine the value of four-band resistors.

Students work nine practice problems to determine the total inductance of a parallel circuit. Immediate feedback is given.

Learners read a description of the wiring configuration of a residential Edison Wire System, which consists of a transformer secondary circuit. The circuit supplies two 115-volt sources and one 230-volt source.

In this learning activity you'll read the steps for proper meter placement for the measurement of resistance, voltage, and current.

Students read about the four steps to creating an ac model and view examples.