In this animated activity, learners examine how an electronic converter changes digital signals to analog signals. Sections of a synthesizer are identified, and the operation of a D/A converter is demonstrated.

Students follow step-by-step directions on how to make mathematical calculations for a Wheatstone bridge.

Students read about the characteristics of the ideal operational amplifier and compare them with the industry standard LM741C.

Students review the Current Divider Rule (CDR) and work practice problems.

Learners examine three formulas than can be used to find dc power. Examples are given.

In this animated and interactive object, learners follow two methods for converting a hexadecimal number to a decimal number. They test their knowledge in exercises at the end of the learning object.

Students answer five questions concerning magnetism.

Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.

Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.

Describe the inverting op-amp configuration and calculate the circuit gain.

In this animated object, learners examine the operation of a zener diode in the forward and reverse bias conditions. A quiz completes the activity.

In this animated learning object, students view the operation of an oscilloscope that is used to measure AC voltages. A brief quiz completes the activity.

In this animated object, students view an explanation of how current, voltage, and the charge on a capacitor of a series RC circuit change during five time constants. A short quiz completes the activity.

Students look at the power dissipated by a single gate and by an IC. The concept of average current draw is introduced and examples are provided.

In this learning activity you'll practice using the 4-input truth table.

In this learning activity you'll explore the effect of connecting voltage sources in series to increase voltage applied to a load.

In this interactive object, students complete progressively more difficult exercises as a way to improve their ability to recognize resistor color code values.

In this animated activity, learners examine a systematic method for converting a decimal number (base 10) into a hexadecimal number (base 16).

Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.

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 how voltages and currents vary in a series RLC circuit as the applied frequency changes.

Students view a graphical explanation of how the motor condition (unloaded, 50 percent loaded, fully loaded) affects the phase between voltage and current, the current draw from the AC supply, the amount of power consumed, and the power factor.

In this animated and interactive object, learners examine why the voltage produced by an AC drive must be increased when its frequency is increased due to inductive reactance.

In this animated activity, learners examine why various materials are conductors, insulators, or resistors of current. A short quiz completes the learning object.

This animated object allows students to examine the four steps used to reduce a complex circuit to a simple series circuit.