Core - Electrical Engineering

    Chapter 1

    Basics of Electric Circuits

    1.1 : Charge and Current01:14

    1.1 : Charge and Current

    Charge, an inherent property of matter, is responsible for a wide range of electric phenomena. The SI unit of charge is the coulomb. All matter comprises ...

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    1.2 : Voltage01:13

    1.2 : Voltage

    The movement of electrons in a conductor requires some form of energy or work, usually provided by an external force, like a battery. This force is called ...

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    1.3 : Power and Energy01:12

    1.3 : Power and Energy

    Energy is the total work required to drive the current through the circuit. A rise in voltage results in more work done, passing more current, resulting ...

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    1.4 : Electric Circuit Elements01:21

    1.4 : Electric Circuit Elements

    Circuit elements are the basic building blocks of an electric circuit. They can be categorized as active and passive elements. Active elements can ...

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    1.5 : Circuit Terminology01:14

    1.5 : Circuit Terminology

    An electrical network is a system of interconnected elements, not necessarily forming a closed path. In contrast, a circuit, also an interconnected ...

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    1.6 : Independent and Dependent Sources01:18

    1.6 : Independent and Dependent Sources

    Sources in a circuit can be independent or dependent. Independent voltage or current sources supply voltage and current unaffected by other circuit ...

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    1.7 : Ohm's Law01:19

    1.7 : Ohm's Law

    Resistors, often made from metallic alloys or carbon compounds, model a material's current-resisting behavior. Ohm's law states that the voltage ...

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    1.8 : Kirchhoff's Current Law01:04

    1.8 : Kirchhoff's Current Law

    Kirchhoff's current law, or KCL, is based on the law of charge conservation. It states that the total current entering and leaving a node in a circuit ...

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    1.9 : Kirchhoff's Voltage Law01:04

    1.9 : Kirchhoff's Voltage Law

    Kirchhoff's voltage law, or KVL, is based on the principle of energy conservation. It states that the algebraic sum of all voltages around a closed ...

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    1.10 : Voltage Dividers01:14

    1.10 : Voltage Dividers

    In a series connection, resistors are sequentially linked, and the same current must flow through each. The voltage across these resistors can be ...

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    1.11 : Current Dividers01:10

    1.11 : Current Dividers

    In a parallel connection, resistors are connected between the same pair of nodes, creating an equal voltage across each. Considering the schematic circuit ...

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    1.12 : Equivalent Resistance01:16

    1.12 : Equivalent Resistance

    In circuit analysis, situations often arise where resistors are neither in series nor parallel configurations. To tackle such scenarios, three-terminal ...

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    1.13 : Design Example: Resistive Touchscreen01:14

    1.13 : Design Example: Resistive Touchscreen

    A device engineer is tasked with designing a resistive touchscreen interface for a mobile device. It consists of two conductive layers: a flexible upper ...

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