Determine the output voltage polarity of this op-amp (with reference…
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What hazards might be posed by a circuit with excessive current going…
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As an electric current is passed through a coil of wire, it creates a…
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What, exactly, is necessary to establish electrical continuity between…
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When an electric current is passed through a coil of wire, what…
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Because batteries create current flow in a circuit by exchanging…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
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The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.
Tools
In this electrical circuit, trace the direction of current through the…
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In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.
Textbook
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
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Don’t just sit there! Build something!! Learning to mathematically…
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Introduction Whenever an electric voltage exists between two separated…
Textbook
In this motor control circuit, how would you ensure that there is no…
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Provide a definition for phasor, as the term applies to electrical…
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In the chapter on mixed-frequency signals, we explored the concept of…
Textbook
Inductive Reactance Capacitive Reactance …
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
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Don’t just sit there! Build something!! Learning to mathematically…
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Don’t just sit there! Build something!! Learning to mathematically…
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A practical application of switch and relay logic is in control…
Textbook
What is Kirchhoff’s Voltage Law (KVL)? The principle known as…
Textbook
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.
Textbook
In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
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This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
Tools
A high-pass filter’s task is just the opposite of a low-pass…
Textbook
Ladder diagrams are specialized schematics commonly used to document…
Textbook
Write the following exponential expressions in expanded form: 101 =…
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Textbook
Brushless DC motors were developed from conventional brushed DC motors…
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Shown here is the schematic symbol for a resistor: What is the purpose…
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Transformers with Multiple Secondaries Transformers are very versatile…
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An important electrical quantity with no equivalent in DC circuits is…
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There are not too many circuit symbols for bipolar transistors. There…
Textbook
Periodic table of chemical elements.
Textbook
So far we know that AC voltage alternates in polarity and AC current…
Textbook
This article explains the step-by-step process for determining the…
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AC Motors Perhaps the most important benefit of polyphase AC power…
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The jobs of electronics engineers and technicians frequently entail…
Textbook
In this electrical circuit, trace the direction of current through the…
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In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.
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Often in the course of designing and building electrical meter…
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Don’t just sit there! Build something!! Learning to mathematically…
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Since complex numbers are legitimate mathematical entities, just like…
Textbook
The “vocabulary” of instructions which any particular…
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Textbook
In this hands-on AC electronics experiment, build a variable conductor and learn the impact of a metal core placed inside an inductor coil has on the inductance.
Textbook
Though it may seem strange to cover the elementary topic of electrical…
Textbook
In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.
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In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.
Textbook
The concept and measurement units of resistance are most often used…
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In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
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In essence, the IGFET controls the base current of a BJT, which…
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Bipolar Junction Transistor or BJT Current Mirror An often-used…
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Identify the type of logic gate shown in this schematic diagram, and…
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So far, the filter designs we’ve concentrated on have employed…
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Normally, the rotor windings of a wound rotor induction motor are…
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One of the more fascinating applications of electricity is in the…
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Since Thevenin’s theorem and Norton’s theorems are two…
Textbook
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