Shorts Affecting Current in a Series Circuit

By Terry Bartelt

In this learning activity you'll review how a short affects current flow and voltage in a series circuit.

Transistor DC Analysis Practice Problems: Circuit #1

By Patrick Hoppe

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

Transfer Functions: The RL High Pass Filter

Learners read how the RL high 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.

Op Amps 2: The Non-Inverting Amplifier

By Todd Van De Hey

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

Sine Wave Fundamentals: Practice Problem #1

In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave displayed on an oscilloscope screen.

AC Voltage Conversion Problems

By John Rosz, Terry Bartelt

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

AND Gates

In this learning activity you'll describe the operation of an AND gate by using a truth table, a waveform diagram, a Boolean Algebra equation, a switch analogy, and a written definition.

A Drill for Converting Binary Numbers to Decimal Numbers

By John Rosz

Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.

Voltage Divider Rule (VDR)

By Terry Fleischman, Patrick Hoppe

Students review the Voltage Divider Rule and work practice problems.

Diode Approximations

This learning object introduces the three approximations of a diode.

Boolean Theorems (Single Variable)

Students analyze the eight single variable Boolean theorems and their expressions.

Waveforms of a Triac Circuit

Learners observe the waveforms in a circuit in which a triac controls the brightness of a lampâ€™s light. A brief quiz completes the activity.

Demultiplexers

In this animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.

Methods of Producing Electricity

In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.

Total Impedance of a Parallel Circuit Using Complex Numbers

Students read how to determine the total impedance of a parallel circuit using complex numbers. The "J" term is used in the calculations.

Active Region Operation of a Transistor

Learners view the operation of an NPN transistor in the active region.

Total Resistance in a Parallel Circuit

The learner will apply the three formulas used to find the total resistance of three types of parallel resistor circuit configurations.

The Zener Diode: Practice Problems

Students complete 10 practice problems. These deal with the determination of series current, zener current, and load current, and if the zener diode is operating in the breakdown region.

Voltages Across Series and Parallel Capacitive Circuits

In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.

The Current Divider Rule (CDR) with Complex Numbers

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

Opens Affecting Current in a Series Circuit

In this learning activity you'll review how an open in a series circuit affects current.

Inductors

Learners read a description of inductors and view examples of inductors in series and in parallel.

Transistor Fundamentals: Voltage-Divider Biased NPN Transistor

Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.

Waveforms of an SCR Circuit

Learners view waveforms at various locations of an SCR circuit controlling the intensity a light bulb. The waveforms are shown when the light is dim, at medium brightness, and at full brightness. A brief quiz completes the activity.

The 555 Astable Multivibrator

Learners observe the animated operation of an astable mulivibrator using a 555 IC (integrated circuit) chip and external components.