Series RLC Circuit Tic-Tac-Toe 2
By Terry Bartelt
By playing a game of tic-tac-toe, a student can review what happens to currents and voltages throughout a series RLC circuit when the applied frequency is increased above resonance.
How Metal Detectors Operate
Learners examine how metal detectors function. This object includes animation and sound.
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.
Oscilloscope: DC Voltage Measurements
Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.
Impedance: Series to Parallel Conversion
Students view the formulas to be used to convert a series impedance to a parallel impedance.
Transformer Practice Problems
Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.
The Transfer Function and Frequency Response of a Low Pass Filter
Students learn how to predict how circuits will respond to varying frequency. They solve for the magnitude and phase angles.
Instantaneous Voltage Calculations of a Discharging RC Circuit (Using a TI-35X or a TI-36X Calculator)
In this animated object, learners view the keystrokes on a TI-35X/36X calculator that are required to solve for the instantaneous voltage of a discharging RC circuit.
Inductive Reactance Demonstration 2
In this animated object, learners examine how a coil of wire provides more resistance to AC current flow than an uncoiled wire. This learning object contains audio.
The Function Generator: Voltage Control
Learners read a description of the knob controls, pushbuttons and output terminals on the Wavetek Model 25 signal generator.
Inductance
This learning activity describes the physical properties that affect the inductance, in henries, of an inductor.
Relative Permeability
This learning activity presents information on how the type of material used for the core material of an inductor affects the inductors value in henries.
Oscilloscope Coupling Switch
Learners read a description of the function of the coupling switch on an oscilloscope and how its setting affects measurements of DC, AC, and combined voltages. A brief quiz completes the activity.
Inductive Reactance Demonstration 1
Learners view video clips showing how coiled wire provides more resistance to AC current flow than uncoiled wire.
Instantaneous Voltage Calculations of a Charging RC Circuit (Calculator TI-30XIIS)
Students view the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous voltage of a charging RC circuit.
Capacitive Reactance
Students read an introduction to capacitive reactance and view examples.
The Reflected Load in a Transformer (Screencast)
Learners examine how the load resistance connected to the secondary coil of a transformer affects the primary current. A brief quiz completes the activity.
True Power
Students read about the concept of true power and view examples of how it is dissipated as heat is provided.
The Torque of an Induction Motor
By Terry Fleischman
The learner will examine how torque is developed in an induction motor.
Transformer Loading
In this animated activity, learners see that changing the resistance value of the load in the secondary of a transformer causes current to vary in the primary.
Op Amps 5: Non-Inverting Amplifier Circuit Resistance
By Todd Van De Hey
The learner will calculate basic circuit resistance.
Instantaneous Voltage Calculations of a Discharging RC Circuit (Using a TI-30XIIS Calculator)
In this animated object, learners view the keystrokes on a TI-30XIIS calculator that are required to solve for the instantaneous voltage of a discharging RC circuit.
Op Amps 4: The Op Amp Buffer
Understand the op-amp buffer configuration and calculate basic circuit impedance.
Energizing Time Constants of an RL Circuit
In this animated object, students view an explanation of how current, voltage, and the magnetic field strength of a series RL circuit change during five time constants. A brief quiz completes the activity.
Transformer Action Demonstration
Learners view animations and video clips showing how power is transmitted from one energized coil to another.