Analog Voltmeter Operation
By Terry Bartelt
Students follow the procedure to measure voltage with an analog voltmeter. They examine the use of the Function Switch and the Range Switch. A brief quiz completes the activity.
The Sine Wave
Using text and graphics, this learning activity describes a sine wave, including alternations, cycles, time, amplitude, and degrees
Ohm's Law Practice Problems #3
By Patrick Hoppe
Learners review Ohm's Law and then work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and are asked to solve for the third.
DC Circuit Analysis: The Series Circuit
Learners examine a general approach to solving for the current through, the voltage across, and the power dissipated by each resistor in a series DC circuit. A three-resistor series circuit is used as an example.
The Voltage Divider Rule with Complex Numbers
Students read an explanation of the Voltage Divider Rule with complex numbers. Examples are given.
Capacitors
In this animated object, learners examine the basics of capacitance and capacitors.
The Transistor Symbol
In this animated and interactive object, learners use a memory device to identify NPN and PNP transistors. Learners also examine how much the transistors turn on when the voltage applied to the base is varied.
Inductive Reactance
Students read an introduction to inductive reactance and view examples.
Impedance: Series to Parallel Conversion
Students view the formulas to be used to convert a series impedance to a parallel impedance.
Transistor Fundamentals: AC Coupling Capacitors
Students view the design and function of an ac model for a transistor circuit.
The Vertical Portion of the Sine Wave
In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.
The MOD Number
Learners read how to calculate the MOD number and how it is used.
Complex Power: The Sum of the Individual Real and Reactive Powers
The learner views a method to find the total complex power of a circuit in which the individual real and reactive powers are found and then added together. Several examples are shown, along with the power triangles.
The Flip-Flop
In this animated activity, learners view the flip-flop and read about its outputs, the information it stores, and its storage conditions. A quiz completes the lesson.
Capacitive Reactance
Students read an introduction to capacitive reactance and view examples.
Electrical Opens and Shorts
By Terry Bartelt, David Schwid
In this animated activity, learners examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.
Development of a Boolean Expression for a Combinational Logic Circuit
Learners view an animated demonstration of how to determine the final output of the combinational circuit.
Difference Op Amp
Learners examine the fundamental operation of a difference operational amplifier. 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.
Series RL Circuit Practice Problems
By James Bourassa, John Rosz
Students calculate current, phase angle, resistor voltage, inductor voltage, and power.
Maximum Power Transfer
Learners are introduced to the maximum power transfer theorem. Examples show the load as it varies and the results are graphed.
Transistor Fundamentals: Base-Biased NPN Transistor
Students view a dc analysis of a base-biased NPN transistor.
Proper Meter Placement
In this learning activity you'll read the steps for proper meter placement for the measurement of resistance, voltage, and current.
Pulse Train Fundamentals
Learners examine the fundamentals of a pulse train. Concepts such as time on, time off, duty cycle, period, and frequency are covered.
Power Factor
Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.