Learners review the fundamental laws of algebra including the commutative law of addition, the commutative law of multiplication, the associative law of addition, the associative law of multiplication, and the distributive law. Examples are given.

Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short quiz completes the activity.

Learners examine the fundamentals of a pulse train. Concepts such as time on, time off, duty cycle, period, and frequency are covered.

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.

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

Students read an explanation of the summing amplifier and the formulas for closed-loop gain. An example is given.

In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.

Students read an introduction to the Metal Oxide Semiconductor Field Effect Transistor. They also examine its enhancement mode.

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

Students read about decibel power gain and decibel voltage gain. Examples are given for each.

Learners examine the characteristics of a sine wave and the various ways to describe it including Vp, Vp-p, Vrms, Vavg, and frequency.

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

In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.

Students view the equations used to determine the ac parameters of the transistor circuit.

Students read about the common characteristics of the Junction Field Effect Transistor. They also explore the schematic symbols and the basic operation of the JFET.

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 pulse width, period, duty cycle, and frequency of a waveform.

Students view the design and function of an ac model for a transistor circuit.

Students read an explanation of the common-source and source-follower amplifiers. Gain formulas are developed and an example is given.

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.