If a block of P-type semiconductor is placed in contact with a block…
Textbook
What, exactly, is an arbitrary waveform generator, and for what…
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Define what noise means, in the electrical sense of the word. How does…
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Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
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Pulse Width Modulation (PWM) uses digital signals to control power…
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The smaller the cross-sectional area of any given wire, the greater…
Textbook
As was previously mentioned, we need more than just a continuous path…
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Don’t just sit there! Build something!! Learning to mathematically…
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The R/2R DAC circuit is an alternative to the binary-weighted-input…
Textbook
Varicap or varactor diodes A variable capacitance diode is known as a…
Textbook
If you’ve ever witnessed a lightning storm, you’ve seen…
Textbook
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
Though mechanical ohmmeter (resistance meter) designs are rarely used…
Textbook
If we were to express the series-connected DC voltages as phasors…
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Note: this is a very unique and useful property of e. As in…
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In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.
Textbook
Power measurement in AC circuits can be quite a bit more complex than…
Textbook
Every meter impacts the circuit it is measuring to some extent, just…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Power
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Power
For reference, this section introduces the terminology used in some…
Textbook
A circuit which removes the peak of a waveform is known as a clipper.…
Textbook
A high-pass filter’s task is just the opposite of a low-pass…
Textbook
So far, we’ve explored tubes which are totally…
Textbook
Counting practice: count from zero to thirty-one in binary, octal, and…
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This calculator helps you compute the characteristic impedance of a microstrip.
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Capacitors do not have a stable “resistance” as conductors…
Textbook
Label where each of the following electrical quantities would be found…
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What Is an XOR Gate? One element conspicuously missing from the set of…
Textbook
When a PCB designer speaks of dimensions in thous or mils, what does…
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Identify the type of logic gate shown in this schematic diagram, and…
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It should be common-sense knowledge that liquids flow through…
Textbook
When first approaching a failed or otherwise misbehaving system, the…
Textbook
Just like voltmeters, ammeters tend to influence the amount of current…
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In this introduction to parallel resistance circuits, we will explain…
Textbook
There was some historic crude, but usable semiconductor…
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While the C-B (common-base) amplifier is known for wider bandwidth…
Textbook
As an electric current is passed through a coil of wire, it creates a…
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In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure resistance using the ohmmeter function.
Textbook
Wiring Color Codes Infographic. Released under the Creative Commons…
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This calculator determines the bias and feedback of resistors for an inverting op-amp.
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Quantum physics describes the states of electrons in an atom according…
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What will this voltmeter register when connected to a battery as shown…
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Cathode: This is the electrode that is heated and emits the…
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Textbook
TTL Circuit Analysis Let’s examine the following TTL circuit and…
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What is Split-Phase Power Systems? Split-phase power systems achieve…
Textbook
In this series of hands-on electronics experiments, you will build direct current (DC) circuits and learn fundamental electrical engineering circuit concepts.
Textbook
Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…
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Designing Wire Resistance Conductor ampacity rating is a crude…
Textbook
Value of time constant in series RC and RL circuits Time…
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Transformers with Multiple Secondaries Transformers are very versatile…
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In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
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What is the purpose of the switch shown in this schematic diagram?
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Periodic table of chemical elements.
Textbook
Synchronous motors load the power line with a leading power factor.…
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Don’t just sit there! Build something!! Learning to mathematically…
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What is a Synchronous Counter? A synchronous counter, in contrast to…
Textbook
The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.
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