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DC Circuit

Delve into the world of DC circuits with this comprehensive guide. We'll unravel the fundamental principles of electric current, explore the relationship between charge and current, and understand the concept of voltage. Explore the fascinating world of DC circuits and gain a deep understanding of their core principles. This comprehensive guide will cover essential topics such as electric current, voltage, resistance, and the fundamental relationship described by Ohm's Law. Discover how these elements interplay in DC circuits to form the foundation of electrical engineering.

Edited at 2022-03-12 17:57:12

alia Mohammed

Recent works View more works>>

DC Circuit
Delve into the world of DC circuits with this comprehensive guide. We'll unravel the fundamental principles of electric current, explore the relationship between charge and current, and understand the concept of voltage. Explore the fascinating world of DC circuits and gain a deep understanding of their core principles. This comprehensive guide will cover essential topics such as electric current, voltage, resistance, and the fundamental relationship described by Ohm's Law. Discover how these elements interplay in DC circuits to form the foundation of electrical engineering.

DC Circuit

alia Mohammed

Recent works View more works>>

DC Circuit
Delve into the world of DC circuits with this comprehensive guide. We'll unravel the fundamental principles of electric current, explore the relationship between charge and current, and understand the concept of voltage. Explore the fascinating world of DC circuits and gain a deep understanding of their core principles. This comprehensive guide will cover essential topics such as electric current, voltage, resistance, and the fundamental relationship described by Ohm's Law. Discover how these elements interplay in DC circuits to form the foundation of electrical engineering.

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DC Circuit

electric current

concept: The time rate change of charge

law

Unit

Ampere(A)

charge and current

Concept: current that remains constant with time

Concept: current that varies sinusoidally with time

Voltage

Concept: The energy required to move unit charge through an element

Unit

Volts(V)

Resistance

Concept: element denotesitsability to resist the flow of electric current

Unit

Ohms(Ω)

Symbols

Ohm’s law

Concept: Ohm’s law, which relates voltage, current, and resistance.

laws

Energy and Power

Energy

Concept: capacity to do work

Unit

Joules(J)

Power

concept: the time rate of expending energy

unit

Watts(W)

Watt’s law

Concept: relationship betweenpower,amperage,and voltage drop in an electrical circuit

laws

Circuits

Circuit characteristics

source of voltage

complete path

load

Type

Series

Components that are connected in series will share a common path.

Voltage: The sum of the voltages across components in series is equal to the voltage of the supply.

Current: The current is the same at each resistor.

Parallel

Components that are connected in parallel will be connected across the same two nodes

Volrage: same as the voltage of the in circuit

Current: The total circuit current is equal to the sum of the individual branch currents

Kirchhoff's laws

Current

States that the algebraic sum of currents entering a node is zero

Voltage

states that the algebraic sum of all voltages around a closed path (or loop) is zero

Voltage divider rule

Concept:In the field of electronics, a voltage divider is a basic circuit, used to generate a part of its input voltage like an output.

law

Current divider rule

Concept: When current enters a node (junction) it divides into currents with values that are inversely proportional to the resistance values.

law

Loaded voltage divider

law

when the resistors are neither in parallel nor in series

use 2 ways

Delta connection

Three branches are so connected, that they form a closed loop. As these three branches are connected nose to tail, they form a triangular closed loop.

Delta to wye Transformation

Wye connection

when either terminal of three branches is connected to a common point to form a Y like pattern is known as star connection.

Wye to Delta Transformation

Wheatstone bridge

Concept: The Wheatstone bridge consists of a dc voltage source and four resistive arms forming two voltage dividers.

law

R1 * R4 = R3 * R2

Thevenin’s theorem

Concept: states that any two-terminal, resistive circuit can be replaced with a simple equivalent circuit when viewed from two output terminals.

laws

The maximum power transferred

law

Superposition theorem

Concept: The superposition theorem states that a circuit with multiple voltage and current sources is equal to the sum of simplified circuits using just one of the sources.