Explain how a moving-coil, or dynamic microphone works. Identify how…
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What is the purpose of the switch shown in this schematic diagram?
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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…
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Mercury Standard Cell Back in the early days of electrical measurement…
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Don’t just sit there! Build something!! Learning to mathematically…
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What is Attenuators? Attenuators are passive devices. It is…
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An electromechanical generator is a device capable of producing…
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What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…
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Don’t just sit there! Build something!! Learning to analyze digital…
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Suppose we had a simple one-battery, one-lamp circuit controlled by a…
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Whenever electrons flow through a conductor, a magnetic field will…
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Normally, the ampacity rating of a conductor is a circuit design…
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Certain substances are known to physically deform (shorten or…
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Don’t just sit there! Build something!! Learning to analyze digital…
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Three-Phase Alternator Let’s take the three-phase alternator…
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The bipolar junction transistor (BJT) was named because its operation…
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A three-phase motor may be run from a single-phase power source.…
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Power measurement in AC circuits can be quite a bit more complex than…
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Don’t just sit there! Build something!! Learning to mathematically…
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In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.
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Ladder diagrams are specialized schematics commonly used to document…
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What is a harmonic frequency? If an oscillator circuit outputs a…
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There are two basic Ohm’s Law equations: one relating voltage,…
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In designing digital circuits, the designer often begins with a truth…
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In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.
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Bipolar junction transistors (Also known as BJTs) can be used as an…
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This calculator is useful for calculating the luminous flux for LEDs where the angle is known.
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When an alternator produces AC voltage, the voltage switches polarity…
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It should be common-sense knowledge that liquids flow through…
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This calculator determines the resistance of a microstrip trace
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Because it takes energy to force charge to flow against the opposition…
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This calculator helps you compute for the inductance of an edge coupled trace.
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“The nice thing about standards is that there are so many of…
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So far we know that AC voltage alternates in polarity and AC current…
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Wiring Color Codes Infographic. Released under the Creative Commons…
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An electromechanical generator is a device capable of producing…
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Convert to and from different units of length, weight, power, temperature and torque
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What is the purpose of a seven-segment decoder circuit? What is a…
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In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.
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In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.
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The logic simplification examples that we have done so far could have…
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What is the difference between a JMP (“jump”) instruction and a…
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Don’t just sit there! Build something!! Learning to mathematically…
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In electric circuits, the three basic quantities are voltage (E or V),…
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This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
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RELATED WORKSHEETS: JFET Amplifiers Worksheet
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“I consider that I understand an equation when I can predict the…
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In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.
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When using conventional current flow, we can trace the direction of…
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In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.
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A tool designed to calculate the power density of an antenna
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This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.
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This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.
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This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.
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The term “combinational” comes to us from mathematics. In…
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Wire-by-Number project: simple voltage divider Description: Build a…
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∫f(x) dx Calculus alert! One of the fundamental principles of…
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Capacitors store energy in the form of an electric field, and…
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Tables of specific resistance and temperature coefficient of…
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