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Basic Electrical Engineering Download PDF

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Basic Electrical Engineering PDF
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Basic Electrical Engineering Download PDF

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The study of electrical engineering involves the analysis of the energy transfer from one form to another or from one point to another. So before beginning the actual study of electrical engineering, it is necessary to discuss the fundamental ideas about the basic elements of electrical engineering like electromotive force, current, resistance, etc. Electricity is related to a number of other types of systems like mechanical, thermal, etc. There involves the transfer of different forms of energy into electrical or otherwise. To analyze such transfer, it is necessary to revise the S.I. units of measurement of different quantities like work, power, energy, etc. in various systems.
This chapter explains the concept of basic electrical parameters along with the effect of temperature on resistance. The chapter involves a discussion of the characteristics of series and parallel circuits. In the end, the chapter includes the revision of units in different systems and their interrelations.

Contents Of The Book :

Chapter-1 Fundamentals of Electricity
1.1 Introduction.
1.2 The Structure of Matter..
1.2.1 Structure of an Atom
1.3 Concept of Charge.
1.3.1 Unit of Charge.....
1.4 Concept of Electromotive Force and Current. 
1.5 Relation between Charge and Current..
1.6 Concept of Electric Potential and Potential Difference. 
1.7 Electromotive Force and Potential Difference
1.8 Resistance....
1.8.1 Factors Affecting the Resistance...
1.9 Resistivity and Conductivity.
1.9.1 Conductance (G).....
1.9.2 Conductivity......
1.10 Effect of Temperature on Resistance.
1.10.1 Effect of Temperature on Metals...
1.10.2 Effect of Temperature on Carbon and Insulators
1.10.3 Effect of Temperature on Alloys..
1.10.4 Effect of Temperature on Semiconductors
1.11 Resistance Temperature Coefficient (R.T.C.).
1.11.1 Unit of R.T.C......
1.11.2 Use of R.T.C. in Calculating Resistance at t°C..
1.11.3 Effect of Temperature on R.T.C..
1.11.4 Effect of Temperature on Resistivity.
1.11.5 R.T.C. of Composite Conductor 
1.12 Insulation Resistance.
1.12.1 Insulation Resistance of a Cable..
1.12.2 Effect of Temperature on Insulation Resistance
1.12.3 Effect of Moisture on Insulation Resistance 
1.13 Fundamental Quantities and Units
1.13.1 Mechanical Units....
1.13.1.1 Relation between Torque and Power.
1.13.2 Electrical Units..
1.13.3 Thermal Units
1.13.4 Efficiency.....
1.14 Cells and Batteries 
1.15 Types of Cells... 
1.16 Cell Terminology... 
1.17 Primary Cells...
1.17.1 Dry Zinc-Carbon Cell..
1.17.1.1 Cell Reaction
1.17.1.2 Features of Cell.
1.17.1.3 Applications
1.17.2 Mercury Cell
1.17.2.1 Chemical reaction
1.17.2.2 Features of the cell.
1.17.2.3 Applications
1.18 Secondary Cells
1.19 Lead Acid Battery.
1.19.1 Functions of Separators
1.19.2 Chemical Action in Lead Acid Battery..
1.19.3 Features of Lead Acid Battery..
1.19.4 Conditions of a Fully Charged Battery..
1.19.5 Maintenances and Precautions to be taken for Lead Acid Battery..
1.19.6 Testing Procedure for Lead Acid Battery...
1.19.7 Applications....
1.20 Battery Capacity..
1.21 Battery Efficiency...
1.21.1 Ampere-hour Efficiency...
1.21.2 Watt-hour Efficiency.
1.22 Charge and Discharge Curves
1.23 Battery Charging....
1.23.1 Indications of Fully Charged Battery..
1.24 Charging Methods..
1.24.1 Constant Current Method
1.24.2 Constant Voltage Method.
1.24.3 Rectifier Method.
1.25 Grouping of Cells.
1.25.1 Series Grouping...
1.25.2 Parallel Grouping...
1.25.3 Series-Parallel Grouping.
1.26 Alkaline Cells..
1.27 Nickel-Iron Cell
1.27.1 Chemical Reaction
1.27.2 Electrical Characteristics
1.27.3 Capacity...
1.27.4 Efficiency..
1.27.5 Advantages.
1.27.6 Disadvantages.
1.27.7 Application...
1.28 Nickel - Cadmium Cell.
1.28.1 Chemical Reaction
1.28.2 Features
1.28.3 Applications..
1.29 Comparison of Various Batteries.
1.30 Comparison of Primary and Secondary Cells.. 
1.31 NIMH Battery.
1.31.1 Construction
1.31.2 Cell Reactions.
1.31.3 Features
1.31.4 General Characteristics.
1.31.5 Self Discharge Characteristics
1.31.6 Recharging Characteristics.
1.31.7 Safety Precautions
1.31.8 Applications......
1.31.9 Comparison... 
Examples with Solutions.. 
Review Questions.....
Chapter-2-D.C. Circuits
2.1 Introduction...
2.2 Network Terminology..
2.2.1 Network....
2.2.2 Network Element
2.2.3 Branch...
2.2.4 Junction Point
2.2.5 Node
2.2.6 Mesh (or Loop)
2.3 Classification of Electrical Networks.
2.4 Energy Sources
2.4.1 Voltage Source
2.4.2 Current Source
2.4.3 Dependent Sources.
2.5 Ohm's Law....
2.5.1 Limitations of Ohm's Law.
2.6 Series Circuit.....
2.6.1 Characteristics of Series Circuits..
2.7 Parallel Circuit.
2.7.1 Characteristics of Parallel Circuits.
2.8 Comparison of Series and Parallel Circuits.
2.9 Short and Open Circuits.
2.9.1 Short Circuit
2.9.2 Open Circuit
2.9.3 Redundant Branches and Combinations...
2.10 Voltage Division in Series Circuit of Resistors
2.11 Current Division in Parallel Circuit of Resistors 
2.12 Source Transformation
2.13 Combinations of Sources.
2.13.1 Voltage Sources in Series..
2.13.2 Voltage Sources in Parallel..
2.13.3 Current Sources in Series..
2.13.4 Current Sources in Parallel.
2.14 Kirchhoff's Laws.............
2.14.1 Kirchhoff's Current Law (KCL)..
2.14.2 Kirchhoff's Voltage Law (KVL)...
2.14.3 Sign Conventions to be Followed while Applying KVL
2.14.4 Application of KVL to a Closed Path....
2.14.5 Steps to Apply Kirchhoff's Laws to Get Network Equations
2.15 Cramer's Rule
2.16 Star and Delta Connection of Resistances..
2.16.1 Delta-Star Transformation...
2.16.2 Star-Delta Transformation.
2.17 Superposition Theorem.
2.17.1 Explanation of Superposition Theorem.
2.17.2 Steps to Apply Superposition Theorem..
2.18 Thevenin's Theorem....
2.18.1 Explanation of Thevenin's Theorem
2.18.2 Steps to Apply Thevenin's Theorem.
2.18.3 Limitations of Thevenin's Theorem.
2.19 Norton's Theorem..........
2.19.1 Explanation of Norton's Theorem
2.19.2 Steps to Apply Norton's Theorem.
2.20 Maximum Power Transfer Theorem.
2.20.1 Proof of Maximum Power Transfer Theorem
2.20.2 Steps to Apply Maximum Power Transfer Theorem 
2.21 Concept of Loop Current.
Examples with Solutions........ 
Review Questions.........
Chapter 3 Magnetic Circuits
3.1 Introduction...
3.2 Magnet and its Properties.. 
3.3 Molecular Theory of Magnetization 
3.4 Laws of Magnetism.........
3.5 Magnetic Field...
3.5.1 Magnetic Lines of Force
3.5.2 Direction of Magnetic Field.
3.5.3 Properties of Lines of Force
3.6 Magnetic Flux ().
3.7 Pole Strength......
3.8 Magnetic Flux Density (B)
3.9 Magnetic Field Strength (H)...
3.10 Magnetic Effect of an Electric Current (Electromagnets).. 
3.10.1 Magnetic Field due to Straight Conductor...
3.10.1.1 Rules to Determine Direction of Flux Around Conductor 
3.10.2 Magnetic Field due to Circular Conductor i.e. Solenoid
3.11 Nature of Magnetic Field of Long Straight Conductor.
3.11.1 Magnetic Field Strength due to a Long Solenoid......
3.12 Force on a Current Carrying Conductor in a Magnetic Field.
3.12.1 Fleming's Left Hand Rule
3.12.2 Magnitude of Force Experienced by the Conductor
3.13 Force between Two Parallel Current Carrying Conductors..
3.13.1 Direction of Both the Currents Same....
3.13.2 Directions of Two Currents Opposite to Each Other.
3.13.3 Magnitude of Force between Two Parallel Conductors..
3.13.4 Unit of Ampere....
3.14 Permeability.
3.14.1 Absolute Permeability (μ).
3.14.2 Permeability of Free Space or Vacuum (μ,).
3.14.3 Relative Permeability (,)...
3.15 Magnetomotive Force (M.M.F.or F)..
3.16 Reluctance (S).
3.17 Permeance..
3.18 Magnetic Circuits..
3.18.1 Series Magnetic Circuits
3.18.2 Series Circuit with Air Gap..
3.18.3 Parallel Magnetic Circuits.
3.18.4 Parallel Magnetic Circuit with Air Gap.
3.19 Kirchhoff's Laws for Magnetic Circuit..
3.19.1 Kirchhoff's Flux Law.....
3.19.2 Kirchhoff's M.M.F. Law
3.20 Comparison of Magnetic and Electric Circuits. 
3.21 Magnetic Leakage and Fringing.
3.21.1 Leakage Coefficient or Hopkinson's Coefficient
3.21.2 Magnetic Fringing
Examples with Solutions...
Review Questions..
Chapter 4 Electromagnetic Induction
4.1 Introduction..
4.2 Faraday's Experiment.........
4.3 Faraday's Laws of Electromagnetic Induction
4.3.1 First Law..
4.3.2 Second Law.
Read More..

Information Of The Book :

Title: Basic Electrical Engineering PDF
Language: English.
Size: 30 Mb
Pages: 625
Year : 2009
Format: PDF
Author: 
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