Engineering

Basic Electrical And Electronics Engineering By R.K. Rajput

This book has been written specifically to meet exhaustively the requirements of the latest syllabus of the subject “Basic Electrical and Electronics Engineering” for the B.E. Examination (common to Civil, Mechanical and Technology branches) of Anna University, Tamil Nadu. The book consists of five units contaning ten chapters namely : Unit-I: 1. D.C. circuits, 2. Single-phase A.C. circuits, 3. Three-phase A.C. circuits and 4. Measuring instruments, Unit-II: 5. D.C. machines, 6. Single-phase transformer and 7. Single-phase induction motors, Unit-III: 8. Semiconductor devices and applications, Unit-IV: 9. Digital electronics, Unit-V: 10. Telecommunication systems. The book includes comprehensive treatment of subject matter under wide range of topics mentioned in the syllabus, with a large number of solved examples to support the text. Besides this, Highlights, Objective Type Questions, Theoretical Questions and Unsolved Examples have been added at the end of each chapter to make the book a comprehensive unit in all respects. Any suggestions for the improvement of this book will be thankfully acknowledged and incorporated in the next edition.
Additional Info
  • Publisher: Laxmi Publications
  • Language: English
  • ISBN : 978-93-81159-25-5
  • Chapter 1

    D.C. Circuits Price 9.00  |  9 Rewards Points

    1. Basic concepts and Ohm’s law: Electricity—Electron theory—Electric current—Electromotive force and potential—Resistance—Laws of resistance—Volume resistivity—Conductance (G)— Conductivity (σ)—Temperature coefficient of resistance —Variation of resistivity with temperature—Ohm’s law—An electric circuit—Resistances in series—Voltage divider rule— Resistances in parallel—Current divider rule—Superconductivity—Resistors—Insulation resistance of a cable. 2. Definitions of important terms relating network. 3. Limitations of Ohm’s law. 4. Kirchhoff’s laws. 5. Applications of Kirchhoff’s laws: Branch-current method— Maxwell’s loop (or mesh) current method—Nodal voltage method. —Highlights—Objective Type Questions—Theoretical Questions—Exercise.
  • Chapter 2

    Single-phase A.C. Circuits Price 9.00  |  9 Rewards Points

    1. Introduction to alternating current. 2. Generation and equations of alternating voltages and currents. 3. Alternating voltage and current. 4. Single phase circuits: A.C. through pure ohmic resistance alone—A.C. through pure inductance alone—A.C. through pure capacitance alone— Phasor algebra—A.C. series circuits—R-L circuit—R-C. circuit—R-L-C circuit—A.C. parallel circuits. —Highlights—Objective Type Questions—Theoretical Questions—Exercise.
  • Chapter 3

    Three-Phase A.C. Circuits Price 9.00  |  9 Rewards Points

    1. Introduction. 2. Advantages of polyphase systems. 3. Generation of three-phase voltages. 4. Phase sequence and numbering of phases. 5. Inter-connection of three phases. 6. Star or Wye (Y) connection. 7. Delta (Δ) or Mesh connection. 8. Comparison between star and delta systems. 9. Measurement of power in 3-phase circuit: Three-wattmeters method—Two-wattmeter method— One-wattmeter method. 10. Measurement of reactive voltamperes—Highlights—Objective Type Questions—Theoretical Questions—Exercise.
  • Chapter 4

    Measuring Instruments Price 9.00  |  9 Rewards Points

    1. Introduction and classification. 2. Electrical principles of operation. 3. Electrical indicating instruments: Essential features. 4. Moving-iron instruments : Attraction type—Repulsion type— Advantages and disadvantages. 5. Moving-coil instruments : Permanent-magnet type—Electrodynamic type. 6. Wattmeters : Dynamometer wattmeter—Induction wattmeter. 7. Integrating meters : Essential charac-teristics of energy meters—Types of energy meters. 8. Megger— Highlights—Theoretical Questions—Exercise.
  • Chapter 5

    Direct Current (D.C.) Machines Price 9.00  |  9 Rewards Points

    1. Construction of D.C. Machines. 2. E.m.f. equation of a generator. 3. Types of D.C. generators— Separately excited generators—Self excited generators. 4. Power division in a D.C. generator. 5. Characteristics of D.C. generators—Separately excited generator—No-load saturation characteristic (or O.C.C.)—Internal and external characteristics (or Load characteristics)— Building up the voltage of self-excited shunt generator—Shunt generator characteristics—Series generator—Compound wound generator. 6. Applications of D.C. generators—Separately excited generators—Shunt generators—Series generators—Compound generators. 7. Direct current motor—General aspects—Principle of operation of D.C. motor—Back or counter e.m.f.— Comparison between motor and generator action—Torque developed in a motor—Mechanical power developed by motor armature—Types of D.C. motors—Speed of a D.C. motor—Speed regulation—Motor characteristics—Comparison of D.C. motor characteristics—Summary of characteristics and applications of D.C. motors—Starting of D.C. motors. 8. Speed control of D.C. motors—Factors controlling the speed—Field control method—Rheostatic control—Voltage control. —Highlights—Objective Type Questions—Theoretical Questions—Exercise.
  • Chapter 6

    Single-Phase Transformer Price 9.00  |  9 Rewards Points

    1. General aspects. 2. Basic definitions. 3. Working principle of a transformer. 4. Transformer ratings. 5. Kinds of transformers. 6. Transformer construction 7. Transformer windings, terminals, tappings and bushings 8. Transformer cooling 9. Single phase transformer : Elementary theory of an ideal transformer—E.m.f. equation of a transformer—Voltage transformation ratio— Transformer with losses but no magnetic leakage—Resistance and magnetic leakage— Transformer with resistance and leakage reactance—Equivalent resistance and reactance— Voltage drop in a transformer—Equivalent circuit—Transformer tests—Regulation of a transformer—Percentage resistance and reactance—Transformer losses—Transformer efficiency—All-day efficiency—Transformer noise—Auto-transformer—Polarity of transformers. —Highlights—Objective Type Questions—Theoretical Questions—Exercise
  • Chapter 7

    Single-Phase Induction Motors Price 9.00  |  9 Rewards Points

    1. Gerneral aspects. 2. Types of single-phase motor. 3. Single-phase induction motors. 4. Splitphase motors. 5. Single-phase commulator motors—Highlights—Objective Type Questions— Theoretical Questions.
  • Chapter 8

    Semiconductor Devices and Applications Price 9.00  |  9 Rewards Points

    1. Introduction to semiconductors : Characteristics of semiconductors—Atomic structure— Intrinsic semiconductor—Extrinsic semiconductors. 2. P-N Junction diode : Construction and types of P-N junction diodes—Potential barrier and biasing—V-I characteristics of a P-N junction diode—Diode current equation—Static and dynamic resistance of a diode—Power and currrent rating of a diode—Applications of a diode. 3. Zener diode : Performance/operation—Equivalent circuit of a Zener diode—Applications of Zener diode. 4. Bipolar junction transistor (BJT) : Transistor types. Introduction—Advantages and disadvantages of transistors overelectron tubes Transistor types. 5. Rectifiers : Half wave rectifier—Full wave rectifier—Ripple factor. 6. Regulated power supply : Ordinary power supply—Regulated power supply—Voltage regulators—Zener diode voltage regulator—Transistor series voltage regulator—Highlights— Theoretical Questions—Exercise.
  • Chapter 9

    Digital Electronics Price 9.00  |  9 Rewards Points

    1. Introduction. 2. Advantages and disadvantages of digital electronics. 3. Digital circuit. 4. Logic gates. 5. Universal gates. 6. Half adder. 7. Full adder. 8. Boolean algebra. 9. Boolean laws. 10. De Morgan’s theorems. 11. Operator precedence. 12. Duals. 13. Logic system. 14. Flip-flop circuits. 15. Counters. 16. Registers—Highlights—Objective Type Questions—Exercise.

About the Author

Other Books by Author