In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.
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As was mentioned before, the angle of this “power…
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In the beam power tube, the basic four-element structure of the…
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Because of their insulated gates, IGFETs of all types have extremely…
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Impedance Matching Because transformers can step voltage and current…
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In this circuit, three resistors receive the same amount of current (4…
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Don’t just sit there! Build something!! Learning to mathematically…
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The atoms in insulating materials have very tightly-bound electrons,…
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What is the purpose of the switch shown in this schematic diagram?
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In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.
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In this electrical circuit, trace the direction of current through the…
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Don’t just sit there! Build something!! Learning to mathematically…
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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
Textbook
Whenever electrons flow through a conductor, a magnetic field will…
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While Oersted’s surprising discovery of electromagnetism paved…
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If you’ve ever witnessed a lightning storm, you’ve seen…
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Don’t just sit there! Build something!! Learning to mathematically…
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Consider a circuit for a single-phase AC power system, where a 120…
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JFETs, like bipolar transistors, are able to “throttle”…
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What, exactly, is necessary to establish electrical continuity between…
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An unbalanced Wheatstone bridge cannot be solved using simple series…
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A common phrase heard in reference to electrical safety goes something…
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Since three-phase is used so often for power distribution systems, it…
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Anyone who’s studied geometry should be familiar with the…
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Another type of mathematical identity, called a “property”…
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The Rules of Binary Addition Adding binary numbers is a very simple…
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What does the normal status of an electrical switch refer to?…
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The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
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Ladder diagrams are specialized schematics commonly used to document…
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In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.
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Don’t just sit there! Build something!! Learning to mathematically…
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Project Overview This project employs all of the skills…
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If the output of a shift register is fed back to the input. a ring…
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The use of variable voltage for instrumentation signals seems a rather…
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A decoder is a circuit that changes a code into a set of signals. It…
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A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…
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This calculator helps you compute the characteristic impedance of a microstrip.
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How to Create Band-pass Filter There are applications where a…
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Electromechanical watt-hour meters use an aluminum disk that is spun…
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Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…
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It may seem difficult to even start on a project such as this, with no…
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These are the most common types of resistors available. Resistors…
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The R/2R DAC circuit is an alternative to the binary-weighted-input…
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Ohm’s Law also makes intuitive sense if you apply it to the…
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In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
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The following is a partial list of contributors to the current online…
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In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.
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While the binary numeration system is an interesting mathematical…
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This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.
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Three-Phase Alternator Let’s take the three-phase alternator…
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There are three basic factors of capacitor construction determining…
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When lightning strikes, nearby magnetic compass needles may be seen to…
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Knowing how to generate Gray code should allow us to build larger…
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Don’t just sit there! Build something!! Learning to analyze digital…
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Suppose you were installing a high-power stereo system in your car,…
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SPICE analysis of Electrical Isolation Aside from the ability to…
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Don’t just sit there! Build something!! Learning to analyze relay…
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This calculator determines the resistance of a microstrip trace
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When calculating the power dissipation of resistive components, we can…
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In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.
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