By Terry Bartelt
This learning activity describes the physical properties that affect the inductance, in henries, of an inductor.
The Neutral Current of an Edison Wire System
Learners take a close look at the Edison Wire System and observe how the current values through the two lines and the neutral of the system change as the loads vary.
Volts Per Hertz Ratio
In this animated and interactive object, learners examine why the voltage produced by an AC drive must be increased when its frequency is increased due to inductive reactance.
Series Circuit Analysis Practice Problems Part 1
By Patrick Hoppe
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.
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 Semiconductor Diode
In this interactive object, learners examine the PN sections of a diode and the diode's forward- and reverse-biased operations. A brief quiz completes the activity.
Ignition System of a Combustion Engine
Students view the parts and movements of a combustion engine in this animated activity. Each part is described.
Analog Voltmeter Operation
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 Purge Level Measurement Method
In this animated object, learners examine how the purge pressure system is used to measure levels of material. A brief quiz completes the activity.
Hydraulic Mechanical Force
This animated lesson shows how to calculate the amount of force generated by hydraulic cylinders.
Capacitive Proximity Sensors
In this animated object, learners examine the operation of a capacitive proximity sensor. A brief quiz completes the activity.
The Hydraulic System
Examine the components of a hydraulic system.
BCD-to-Seven Segment Decoder
By Terry Bartelt, Terry Fleischman
Learners will understand how binary-coded decimal information is decoded and used to drive a seven-segment display.
Students view a graphical explanation of how the motor condition (unloaded, 50 percent loaded, fully loaded) affects the phase between voltage and current, the current draw from the AC supply, the amount of power consumed, and the power factor.
Inductors (Description and Examples)
Learners read a description of inductors and view examples of inductors in series and in parallel.
Total Power Calculations in a Series Circuit
In this learning activity you'll review the various ways to calculate the total power consumed in a series circuit.
Learners observe how an optical pyrometer is used to take temperature measurements without making physical contact with the object being measured.
Excel: Rectangular to Polar Conversion for the Phase Angle in Radians
The conversion from rectangular to polar mode phase angle in radians is demonstrated in Excel.
Flow Control Valves
In this colorful and animated activity, learners study the operation of a needle valve and the operation of the needle valve with a check valve. A brief quiz completes the activity.
In this animated object, learners examine how various types of positive and non-positive displacement hydraulic pumps work.
Op Amp Fundamentals: The Operational Amplifier
Students read about the characteristics of the ideal operational amplifier and compare them with the industry standard LM741C.
By Terry Bartelt, Pat Jensen
In this learning activity, we’ll explore the impact of electric shock on the human body.
The Magnetic Circuit
Learners compare electromagnetic quantities with the voltage, current, and resistance quantities of an electrical circuit. A brief quiz completes the object.
Parallel Circuit Analysis Practice Problems: Circuit #8
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.
Voltage Waveforms in an Edison Three-Wire System
Learners view the waveforms and voltages of an Edison Three-Wire System and read a description of the polarities across the secondary of the center-tap transformer. This transformer supplies power to residential homes.