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Chapter 1
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 ...
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 ...
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 ...
Circuit elements are the basic building blocks of an electric circuit. They can be categorized as active and passive elements. Active elements can ...
An electrical network is a system of interconnected elements, not necessarily forming a closed path. In contrast, a circuit, also an interconnected ...
Sources in a circuit can be independent or dependent. Independent voltage or current sources supply voltage and current unaffected by other circuit ...
Resistors, often made from metallic alloys or carbon compounds, model a material's current-resisting behavior. Ohm's law states that the voltage ...
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 ...
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 ...
In a series connection, resistors are sequentially linked, and the same current must flow through each. The voltage across these resistors can be ...
In a parallel connection, resistors are connected between the same pair of nodes, creating an equal voltage across each. Considering the schematic circuit ...
Practical applications, such as three-phase electrical transmission and motors, use interconvertible three-terminal Y or T, and delta or pi networks. ...
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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