Total Impedance of a Series Circuit Using Complex Numbers: Practice Problems

By Patrick Hoppe

Students solve six problems for series impedance using complex numbers. Immediate feedback is given.

Sine Wave Fundamentals: Practice Problem #10

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.

Parallel Circuit Analysis Practice Problems: Circuit #9

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 by each resistor.

Total Resistance in a DC Parallel Circuit

In this learning activity you'll determine the total resistance in a DC parallel circuit.

Schmitt Trigger

By Terry Bartelt

In this animated object, learners examine the operation of a Schmitt Trigger IC and its hysteresis function. A brief quiz completes the activity.

Transformers - A Mechanical Gear Analogy

By Roger Brown

Learners read an analogy comparing an electrical transformer to mechanical gears.

Oscilloscope AC Voltage Measurements

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.

Transfer Functions: The RL High Pass Filter With Bode Plot

Learners read how the transfer function for a 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.

Resistor Color Code Recognition Drills

By James Bourassa, John Rosz

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

Finding the Common Connection of an SPDT Switch

In this animated object, learners examine the procedure used to determine the types of terminals on a single-pole, double-throw switch.

Troubleshooting a Faulty JK Flip-Flop

In this animated object, learners examine the recommended procedure for troubleshooting a defective JK flip-flop using a logic pulser and probe.

Excel: Spreadsheet Hints

Learners read how to create a spreadsheet to determine the voltage drop across a resistor in an AC circuit. The complex functions explained in other learning objects are used in this example.

Internal Elements of a 555 Timer (Screencast)

In this screencast, learners examine the internal elements of a 555 IC and their operation.

Clock Pulse Triggering of Flip-Flops (Screencast)

This screencast shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.

Voltage Sources in Parallel

The effect of connecting voltage sources in parallel to increase amperage to a load is presented.

Parallel Circuit Analysis Practice Problems Part 2

In this interactive object, students work 11 practice problems and solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

Parallel Circuit Analysis Practice Problems: Circuit #3

Parallel Circuit Analysis Practice Problems: Circuit #6

Parallel Circuit Analysis Practice Problems: Circuit #7

Parallel Circuit Analysis Practice Problems: Circuit #8

Series-Parallel Circuit Analysis Practice Problems: Circuit 2

In this interactive object, learners solve a series-parallel DC circuit analysis problem. Immediate step-by-step feedback is given.

Series-Parallel Circuit Analysis Practice Problems: Circuit 3

Series Circuit Analysis Practice Problems: Circuit #7

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.

Series Circuit Analysis Practice Problems: Circuit #10

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