In this interactive object, learners examine the physical facets that determine the value of a capacitor. A brief quiz completes the activity.

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 animated object, learners examine the types of information to enter, and the sequence of steps required, to program a programmable logic controller (PLC) timer.

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.

Formulas and Functions in Microsoft Excel

A learning object to illustrate the right way to enter formulas and functions in Excel.

This primer introduces the student to the correct method of entering complex numbers into a TI-86 calculator.

This primer introduces the student to the correct method of using complex reciprocals in a TI-86 calculator. The solution of total impedance of a parallel circuit in rectangular form is shown.

This primer introduces the student to the proper method of complex number conversion on a TI-86 calculator.

Learners view the steps to find the complex conjugate of a number in polar form using a TI-86 calculator.

Is it Simple, Compound or Complex?

Determine what kind of sentence is written.

Tap correct answers without touching the edges. Check polarpedia.eu for clues

Select the correct answer. Avoid touching the edges.