In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.
Textbook
Explain how an ohmmeter is able to measure the resistance of a…
Worksheets - Digital Multimeters
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
Textbook
In this hands-on electronics experiment, you will build resistive current dividers and observe how Ohm's law and Kirchhoff's current law function in real circuits using a voltmeter and an ammeter.
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Don’t just sit there! Build something!! Learning to mathematically…
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An oscilloscope is a very useful piece of electronic test equipment.…
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Determine if the light bulb will de-energize for each of the following…
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Don’t just sit there! Build something!! Learning to mathematically…
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Safety is very important when designing and/or building a device…
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Don’t just sit there! Build something!! Learning to mathematically…
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Most ohmmeters of the design shown in the previous section utilize a…
Textbook
Many electronic circuits use what is called a split or a dual power…
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In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.
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Don’t just sit there! Build something!! Learning to mathematically…
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What would happen to this meter movement, if connected directly to a…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.
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In this hands-on semiconductor electronics experiment, build a voltage follower amplifier using a bipolar junction transistor (BJT) in common-collector configuration and learn about circuit ground and impedance transformations.
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Ammeters Measure Electrical Current A meter designed to measure…
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As an electric current is passed through a coil of wire, it creates a…
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Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Digital Multimeters
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Digital Multimeters
In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure current using the ammeter function.
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Don’t just sit there! Build something!! Learning to mathematically…
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For a given amount of water pressure, which will flow a greater rate…
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In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.
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If we were to express the series-connected DC voltages as phasors…
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A chandelier has five light bulbs in it, and one of them is not…
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In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.
Textbook
What hazards might be posed by a circuit with excessive current going…
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So far we know that AC voltage alternates in polarity and AC current…
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We know that the current in a series circuit may be calculated with…
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Don’t just sit there! Build something!! Learning to mathematically…
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An oscilloscope is a very useful piece of electronic test equipment.…
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Bipolar transistors are constructed of a three-layer semiconductor…
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Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
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Using an electrical meter safely and efficiently is perhaps the most…
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Don’t just sit there! Build something!! Learning to mathematically…
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Suppose I were about to measure an unknown voltage with a manual-range…
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Don’t just sit there! Build something!! Learning to mathematically…
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The Q, or quality, factor of a resonant circuit is a measure of the…
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Don’t just sit there! Build something!! Learning to mathematically…
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Suppose you were installing a high-power stereo system in your car,…
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The Programmable Logic Controller, or PLC, was invented in the late…
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OK, so how exactly can we represent AC quantities of voltage or…
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There are three basic factors of capacitor construction determining…
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Seebeck Effect An interesting phenomenon applied in the field of…
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Don’t just sit there! Build something!! Learning to mathematically…
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Note that the direction of the arrow at the gate indicates the…
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Mutual inductors are inductors that capitalize the effect of mutual…
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The benefits of scientific notation do not end with ease of writing…
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An oscilloscope is a very useful piece of electronic test equipment.…
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Introduction Whenever an electric voltage exists between two separated…
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In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.
Textbook
So far, the filter designs we’ve concentrated on have employed…
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Don’t just sit there! Build something!! Learning to mathematically…
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Label where each of the following electrical quantities would be found…
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In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.
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Don’t just sit there! Build something!! Learning to mathematically…
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Behaviors of Inductors wrapped around a Conductive Core Suppose we…
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