In this learning activity you'll determine what happens to current flow in a series circuit when the resistance is changed.

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.

Students read an explanation of "superposition" as a technique for ac circuit analysis. Complex numbers are used.

Learners read a description of how an oscilloscope is used to measure the frequency of a sine wave.

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

In this animated object, learners examine the formulas used to convert peak, RMS, average, and peak-to-peak AC voltages. A brief quiz completes the activity.

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

Students work six practice problems to determine the total impedance of a parallel circuit.

Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.

Find the secret word

vocabulary

A tic tac toe quiz on wave-particle nature and heisenberg's uncertainty principle.

You'll learn to identify frequency bands of the electromagnetic spectrum licensed by the FCC.