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

Learners view the steps for determining the square root of a complex number in Excel.

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

Students follow steps to determine the number of inputs that can be driven by a specific IC. A sample problem is given.

Learners review the VDR and work six problems. Immediate feedback is given.

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

In this animated object, students view diagrams of the UJT as it is used in the relaxation oscillator circuit. Waveforms illustrate how the circuit operates through several time periods.

Learners analyze a base-biased npn transistor circuit. A "help" screen is available.

Learners analyze a base-biased npn transistor circuit. A "help" screen is available.

This game comprises the words from History and generations of Computers.

Introduction of transistor