Electrical Laws

Ohm's Law Coulomb's Law Kirchoff's Law Faraday's Law Ampere's Law Joule's Law Lenz's Law Biot Savart Law

Electrical Theorems

Thevenin Theorem Nortons Theorem Super Position Theorem Reciprocity Theorem Compensation Theorem Maximum Power Transfer Millmans Theorem Tellegans Theorem

Electrical Rules

Flemings Left Hand Rule Flemings Right Hand Rule Cork Screw Rule

Electrical Network

Network Terminologies

Electrical Terms

Electrical Terms Materials Capacitors Resistors Inductor Self Inductance Mutual Inductance Magnetic Flux Magnetic Characteristics EMF MMF Permeability Sources Reluctance Torque

Electrical Transformer

Transformers How Transformer Works Transformer Classifications Types Transformers Core Type Transformers Ideal Transformers Parallel Operation Transformer Cooling Transformer Forces Transformer Losses Transformer Testing Transformer Bushing Transformer Windings

Types of Transformer

Auto Transformer Current Transformer Potential Transformer Rectifier Transformer Converter Transformer

AC Motor

Stator and Rotor Three Phase Induction Motor Induction Motor Transformer

AC Generator

AC Generators Alternator Stator Construction Alternator Rotor Construction Alternator - Parallel Operation Synchronizing AC Alternator Losses in Alternator

DC Motors

DC Motors Commutator Braking of Electric Motors Dynamic Rheostatic Braking Regenerative Braking Plugging Braking Speed Control DC Motor Losses DC Motors

Types Of DC Motor

DC Motors Types DC Series Motors DC Shunt Motors DC Compound Motor Brushless DC Motors Permanent Magnet DC Motor

Starter For DC Motors

Starters DC Motors

DC Generator

DC Generator Types DC Generators Sparking DC Generators Why Generator Overloading Losses DC Generators

Parallel Operation

PO - DC Generator Series DC Generator Shunt DC Generator Compound DC Generator
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- Steve Jobs

Network Terminologies

Type Description
Circuit A conducting path through which an electric current flows is called a circuit
Electric network A combination of various circuit elements, connected in any manner is known as electric network.
Linear circuit A circuit is considered as linear circuit if its impedance does'nt changes with the applied voltage.Example: Fixed speed induction motor.
Non linear circuit A circuit is considered as Non linear circuit if its impedance changes with the applied voltage.Example: Personal computer, Mobile phone etc.
Circuit parameters The various elements of an electric circuit are called its parameters like capacitance, resistance, inductance etc.
Bilateral circuit A bilateral circuit is one whose properties or characteristics are the same in eitheir direction.Example: AC transmission line.
Unilateral circuit When a properties or characteristics change with the direction of its operation, then a circuit is called as Unilateral circuit Example: Diode rectifier
Active network An active network is one which contains one or more source of EMF.
Passive network A passive network is one which does not contain any single source of EMF.
Node A node is a junction in a circuit where two or more circuit elements are connected together.
Branch The part of a network which lies between two junctions is called a branch.
Loop A loop is a closed path in a network formed by a number of connected branches.
Mesh Any path which contains no internal paths within it is called a mesh . Thus, a loop may contains meshes but a mesh does not contain a loop.
Lumped circuit The circuits in which circuit elements can be represented mutually independent and not interconnected.

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